IDT72T72115 Integrated Device Technology, IDT72T72115 Datasheet

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IDT72T72115

Manufacturer Part Number
IDT72T72115
Description
128k X 72 Terasync Fifo, 2.5v - Best Value!
Manufacturer
Integrated Device Technology
Datasheet

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© 2007 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
FEATURES:
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FUNCTIONAL BLOCK DIAGRAM
IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. The TeraSync FIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
Choose among the following memory organizations:
default to one of eight preselected offsets
Empty and Almost-Full flags
Up to 225 MHz Operation of Clocks
User selectable HSTL/LVTTL Input and/or Output
Read Enable & Read Clock Echo outputs aid high speed operation
User selectable Asynchronous read and/or write port timing
2.5V LVTTL or 1.8V, 1.5V HSTL Port Selectable Input/Ouput voltage
3.3V Input tolerant
Mark & Retransmit, resets read pointer to user marked position
Write Chip Select (WCS) input disables Write Port HSTL inputs
Read Chip Select (RCS) synchronous to RCLK
Programmable Almost-Empty and Almost-Full flags, each flag can
Program programmable flags by either serial or parallel means
Selectable synchronous/asynchronous timing modes for Almost-
Separate SCLK input for Serial programming of flag offsets
User selectable input and output port bus-sizing
IDT72T7285
IDT72T7295
IDT72T72105 ⎯ ⎯ ⎯ ⎯ ⎯
IDT72T72115 ⎯ ⎯ ⎯ ⎯ ⎯
WHSTL
RHSTL
ASYW
SHSTL
TRST
MRS
PRS
TMS
TDO
TCK
OW
Vref
BM
TDI
BE
IW
IP
⎯ ⎯ ⎯ ⎯ ⎯
⎯ ⎯ ⎯ ⎯ ⎯
16,384 x 72
32,768 x 72
65,536 x 72
131,072 x 72
(BOUNDARY SCAN)
WCS
CONFIGURATION
WRITE CONTROL
WRITE POINTER
JTAG CONTROL
CONTROL
CONTROL
RESET
HSTL I/0
LOGIC
LOGIC
WEN WCLK/WR
LOGIC
BUS
2.5 VOLT HIGH-SPEED TeraSync
16,384 x 72, 32,768 x 72,
65,536 x 72, 131,072 x 72
OE
OUTPUT REGISTER
Q
0
INPUT REGISTER
D
-Q
RAM ARRAY
0
131,072 x 72
16,384 x 72
32,768 x 72
65,536 x 72
-D
n
(x72, x36 or x18)
n
(x72, x36 or x18)
1
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- x72 in to x72 out
- x72 in to x36 out
- x72 in to x18 out
- x36 in to x72 out
- x18 in to x72 out
Big-Endian/Little-Endian user selectable byte representation
Auto power down minimizes standby power consumption
Master Reset clears entire FIFO
Partial Reset clears data, but retains programmable settings
Empty, Full and Half-Full flags signal FIFO status
Select IDT Standard timing (using EF and FF flags) or First Word
Fall Through timing (using OR and IR flags)
Output enable puts data outputs into high impedance state
JTAG port, provided for Boundary Scan function
Available in 324-pin (19mm x 19mm)Plastic Ball Grid Array (PBGA)
Easily expandable in depth and width
Independent Read and Write Clocks (permit reading and writing
simultaneously)
High-performance submicron CMOS technology
Industrial temperature range (–40° ° ° ° ° C to +85° ° ° ° ° C) is available
Green parts are available, see ordering information
TM
OFFSET REGISTER
READ POINTER
EREN
FIFO 72-BIT CONFIGURATIONS
ERCLK
LOGIC
CONTROL
FLAG
LOGIC
READ
LD
IDT72T72105, IDT72T72115
IDT72T7285, IDT72T7295,
SEN
RCS
SCLK
REN
RCLK/RD
5994 drw01
RT
MARK
ASYR
PAF
FWFT/SI
FSEL1
FF/IR
EF/OR
PAE
HF
PFM
FSEL0
JANUARY 2007
DSC-5994/14

Related parts for IDT72T72115

IDT72T72115 Summary of contents

Page 1

... IDT72T7295 32,768 x 72 IDT72T72105 ⎯ ⎯ ⎯ ⎯ ⎯ 65,536 x 72 IDT72T72115 ⎯ ⎯ ⎯ ⎯ ⎯ 131,072 x 72 • • • • • 225 MHz Operation of Clocks • • • • • User selectable HSTL/LVTTL Input and/or Output • ...

Page 2

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN CONFIGURATION A1 BALL PAD CORNER A V D60 D61 D63 D66 CC B D59 D58 D62 D64 D67 ...

Page 3

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 DESCRIPTION: The IDT72T7285/72T7295/72T72105/72T72115 are exceptionally deep, extremely high speed, CMOS First-In-First-Out (FIFO) memories with clocked read and write controls ...

Page 4

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 DESCRIPTION (CONTINUED) The device can be configured with different input and output bus widths as shown in Table 1. ...

Page 5

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 WRITE CLOCK (WCLK/WR) WRITE ENABLE (WEN) WRITE CHIP SELECT (WCS) (x72, x36, x18) DATA IN (D SERIAL CLOCK (SCLK) ...

Page 6

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN DESCRIPTION Symbol Name I/O TYPE (1) ASYR Asynchronous LVTTL Read Port INPUT ASYW (1) Asynchronous LVTTL Write Port ...

Page 7

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN DESCRIPTION (CONTINUED) Symbol Name I/O TYPE PAE HSTL-LVTTL PAE goes LOW if the number of words in the ...

Page 8

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN DESCRIPTION (CONTINUED) Symbol Name I/O TYPE TRST HSTL-LVTTL TRST is an asynchronous reset pin for the JTAG controller. ...

Page 9

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 ABSOLUTE MAXIMUM RATINGS Symbol Rating V Terminal Voltage TERM with respect to GND T Storage Temperature STG I DC ...

Page 10

... Industrial temperature range product for the 5ns speed grade is available as a standard device. All other speed grades are available by special order. — SYNCHRONOUS TIMING (1) = 2.5V ± 5 -40°C to +85° Commercial Com’l & Ind’l IDT72T7285L4-4 IDT72T7285L5 IDT72T7295L4-4 IDT72T7295L5 IDT72T72105L4-4 IDT72T72105L5 IDT72T72105L6-7 IDT72T72105L10 IDT72T72115L4-4 IDT72T72115L5 IDT72T72115L6-7 IDT72T72115L10 Min. Max. Min. Max. — 225 — 200 0.6 3.4 0.6 3.6 4.44 — 5 — 2.0 — ...

Page 11

... COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES Com’l & Ind’l Commercial IDT72T7285L5 IDT72T7285L6-7 IDT72T7285L10 IDT72T7295L5 IDT72T7295L6-7 IDT72T7295L10 IDT72T72105L5 IDT72T72105L6-7 IDT72T72105L10 IDT72T72115L5 IDT72T72115L6-7 IDT72T72115L10 Min. Max. Min. Max. Min. — 83 — 66 — 0.6 10 0.6 12 0.6 12 — 15 — — ...

Page 12

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 HSTL 1.5V AC TEST CONDITIONS Input Pulse Levels Input Rise/Fall Times Input Timing Reference Levels Output Reference Levels NOTE: ...

Page 13

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 OUTPUT ENABLE & DISABLE TIMING Output Enable OE Output V CC Normally 2 LOW Output V CC Normally 2 ...

Page 14

... IDT72T7285, (32,769-m) writes for the IDT72T7295, (65,537-m) writes for the IDT72T72105 and (131,073-m) writes for the IDT72T72115, where m is the full offset value. The default setting for these values are stated in the footnote of Table 2. When the FIFO is full, the Input Ready (IR) flag will go HIGH, inhibiting further write operations ...

Page 15

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 TABLE 2 — DEFAULT PROGRAMMABLE FLAG OFFSETS IDT72T7285,72T7295,72T72105,72T72115 *LD FSEL1 FSEL0 ...

Page 16

... PAF HF PAE EF IDT72T72115 ( (n+1) to 65,536 65,537 to (131,072-(m+1)) (131,072-m) to 131,071 131,072 PAF HF PAE OR IR IDT72T72115 n (n+2) to 65,537 65,538 to (131,073-(m+1 (131,073-m) to 131,072 131,073 ...

Page 17

... Full Offset (MSB) Serial shift into registers: 28 bits for the IDT72T7285 30 bits for the IDT72T7295 32 bits for the IDT72T72105 34 bits for the IDT72T72115 1 bit for each rising SCLK edge Starting with Empty Offset (LSB) Ending with Full Offset (MSB Operation ...

Page 18

... Non-Interspersed Parity Interspersed Parity D/Q0 Non-Interspersed Parity 1 Interspersed 3 2 Parity # of Bits Used: 14 bits for the IDT72T7285 15 bits for the IDT72T7295 16 bits for the IDT72T72105 17 bits for the IDT72T72115 Note: All unused input bits are don’t care. 5994 drw07 ...

Page 19

... SCLK rising edge, starting with the Empty Offset LSB and ending with the Full Offset MSB. A total of 28 bits for the IDT72T7285, 30 bits for the IDT72T7295, 32 bits for the IDT72T72105 and 34 bits for the IDT72T72115. See Figure 20, Serial Loading of Programmable Flag Registers, for the timing diagram for this mode ...

Page 20

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 Once a marked location has been set (and the device is still in retransmit mode, MARK is HIGH), a ...

Page 21

... Note, for the IDT72T7285/72T7295/72T72105, there must be a minimum of 128 bytes of data between the write pointer and read pointer when the MARK is asserted. For the IDT72T72115, there must be a minimum of 256 bytes of data between the write pointer and read pointer when the MARK is asserted ...

Page 22

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 marked location. During retransmit mode write operations to the device may continue without hindrance. FIRST WORD FALL THROUGH/SERIAL IN ...

Page 23

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 into a high impedance state. During Master or a Partial Reset the OE is the only input that can ...

Page 24

... FIFO. The PAF will go LOW after (16,384-m) writes for the IDT72T7285, (32,768-m) writes for the IDT72T7295, (65,536-m) writes for the IDT72T72105 and (131,072-m) writes for the IDT72T72115. The offset “m” is the full offset COMMERCIAL AND INDUSTRIAL value. The default setting for this value is stated in the footnote of Table 3. ...

Page 25

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 ECHO READ CLOCK (ERCLK) The Echo Read Clock output is provided in both HSTL and LVTTL mode, selectable via ...

Page 26

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 BYTE ORDER ON INPUT PORT: BYTE ORDER ON OUTPUT PORT ...

Page 27

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 BYTE ORDER ON INPUT PORT: BYTE ORDER ON OUTPUT PORT ...

Page 28

... Figure 6. Standard JTAG Timing JTAG AC ELECTRICAL CHARACTERISTICS ( 2.5V Parameter IDT72T7285 JTAG Clock Input Period t IDT72T7295 JTAG Clock HIGH IDT72T72105 IDT72T72115 JTAG Clock Low Min. Max. Units JTAG Clock Rise Time - 20 ns JTAG Clock Fall Time JTAG Reset ...

Page 29

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 JTAG INTERFACE Five additional pins (TDI, TDO, TMS, TCK and TRST) are provided to support the JTAG boundary scan ...

Page 30

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 Input = TMS NOTES: 1. Five consecutive TCK cycles with TMS = 1 will reset the TAP. ...

Page 31

... Manufacturer ID field. For the IDT72T7285/72T7295/72T72105/72T72115, the Part Number field contains the following values: Device Part# Field IDT72T7285 IDT72T7295 IDT72T72105 IDT72T72115 31(MSB Version (4 bits) Part Number (16-bit) Manufacturer ID (11-bit) 0X0 0X33 IDT72T7285/95/105/115 JTAG Device Identification Register ...

Page 32

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 MRS t RSS REN t RSS WEN t RSS FWFT/SI t RSS LD t RSS FSEL0, FSEL1 t RSS ...

Page 33

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PRS t RSS REN t RSS WEN t RSS RT t RSS SEN EF/OR FF/IR PAE PAF, HF (1) ...

Page 34

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 WRITE WCLK 1 (1) t SKEW1 WEN RCLK t ENS t ENH ...

Page 35

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 RCLK t ENS REN t ENS t ENH RCS RCSLZ LAST DATA ...

Page 36

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 36 TEMPERATURE RANGES ...

Page 37

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 37 TEMPERATURE RANGES ...

Page 38

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 38 TEMPERATURE RANGES ...

Page 39

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 39 TEMPERATURE RANGES ...

Page 40

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 40 TEMPERATURE RANGES ...

Page 41

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 41 TEMPERATURE RANGES ...

Page 42

... SEN t t LDS LD t SDS BIT 1 SI NOTE for the IDT72T7285 for the IDT72T7295 for the IDT72T72105 for the IDT72T72115. Figure 20. Serial Loading of Programmable Flag Registers (IDT Standard and FWFT Modes) WCLK LD WEN NOTE: 1. This timing diagram illustrates programming with an input bus width of 72 bits. ...

Page 43

... D = maximum FIFO depth. In IDT Standard mode 16,384 for the IDT72T7285, 32,768 for the IDT72T7295, 65,536 for the IDT72T72105 and 131,072 for the IDT72T72115. In FWFT mode 16,385 for the IDT72T7285, 32,769 for the IDT72T7295, 65,537 for the IDT72T72105 and 131,073 for the IDT72T72115. ...

Page 44

... D = maximum FIFO Depth. In IDT Standard Mode: D= 16,384 for the IDT72T7285, 32,768 for the IDT72T7295, 65,536 for the IDT72T72105 and 131,072 for the IDT72T72115. In FWFT Mode: D= 16,385 for the IDT72T7285, 32,769 for the IDT72T7295, 65,537 for the IDT72T72105 and 131,073 for the IDT72T72115. ...

Page 45

... NOTES IDT Standard mode maximum FIFO depth 16,384 for the IDT72T7285, 32,768 for the IDT72T7295, 65,536 for the IDT72T72105 and 131,072 for the IDT72T72115 FWFT mode maximum FIFO depth 16,385 for the IDT72T7285, 32,769 for the IDT72T7295, 65,537 for the IDT72T72105 and 131,073 for the IDT72T72115. ...

Page 46

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 46 TEMPERATURE RANGES ...

Page 47

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 WCLK t ENS WEN n+1 n+2 t SKEW1 ...

Page 48

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 RCLK REN FFA NOTE LOW, ...

Page 49

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 Write WCLK 1 WEN SKEW t CYL Last Word W X ...

Page 50

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 CYC t t CYH CYL Last Word in O/P Register ...

Page 51

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 OPTIONAL CONFIGURATIONS WIDTH EXPANSION CONFIGURATION Word width may be increased simply by connecting together the control signals of multiple ...

Page 52

... The IDT72T7285 can easily be adapted to applications requiring depths greater than 16,384, 32,768 for the IDT72T7295, 65,536 for the IDT72T72105 and 131,072 for the IDT72T72115 with an 72-bit bus width. In FWFT mode, the FIFOs can be connected in series (the data outputs of one FIFO connected to the data inputs of the next) with no external logic necessary ...

Page 53

ORDERING INFORMATION IDT XXXXX X XX Device Type Power Speed NOTES: 1. Industrial temperature range product for 5ns speed grade is available as a standard device. All other speed grades are available by special order. 2. Green parts available. For ...

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