IDT71V632 Integrated Device Technology, Inc., IDT71V632 Datasheet

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IDT71V632

Manufacturer Part Number
IDT71V632
Description
64K x 32 3.3V Synchronous SRAM Pipelined Outputs Burst Counter, Single Cycle Deselect
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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Pentium processor is a trademark of Intel Corp.
PowerPC is a trademark of International Business Machines, Inc.
©2000 Integrated Device Technology, Inc.
CS
CLK
I/O
A
CE
OE
GW
BWE
BW
ADV
ADSC
ADSP
LBO
ZZ
V
V
0
DD
SS
64K x 32 memory configuration
Supports high system speed:
Commercial:
– A4 4.5ns clock access time (117 MHz)
Commercial and Industrial:
– 5
– 6
– 7
Single-cycle deselect functionality (Compatible with
Micron Part # MT58LC64K32D7LG-XX)
LBO input selects interleaved or linear burst mode
Self-timed write cycle with global write control (GW), byte
write enable (BWE), and byte writes (BWx)
Power down controlled by ZZ input
Operates with a single 3.3V power supply (+10/-5%)
Packaged in a JEDEC Standard 100-pin rectangular plastic
thin quad flatpack (TQFP).
The IDT71V632 is a 3.3V high-speed SRAM organized as 64K x 32
–A
0
0
1,
, CS
–I/O
, V
, V
15
BW
DDQ
SSQ
31
1
2,
BW
5ns clock access time (100 MHz)
6ns clock access time (83 MHz)
7ns clock access time (66 MHz)
3,
BW
4
Chip Enable
Chips Selects
Output Enable
Global Write Enable
Byte Write Enable
Individual Byte Write Selects
Clock
Burst Address Advance
Linear / Interleaved Burst Order
Sleep Mode
Data Input/Output
Address Inputs
Address Status (Cache Controller)
Address Status (Processor)
3.3V
Array Ground, I/O Ground
64K x 32
3.3V Synchronous SRAM
Pipelined Outputs
Burst Counter, Single Cycle Deselect
1
with full support of the Pentium™ and PowerPC™ processor interfaces.
The pipelined burst architecture provides cost-effective 3-1-1-1 second-
ary cache performance for processors up to 117MHz.
registers. Internal logic allows the SRAM to generate a self-timed write
based upon a decision which can be left until the extreme end of the write
cycle.
system designer, as the IDT71V632 can provide four cycles of data for
a single address presented to the SRAM. An internal burst address counter
accepts the first cycle address from the processor, initiating the access
sequence. The first cycle of output data will be pipelined for one cycle before
it is available on the next rising clock edge. If burst mode operation is
selected (ADV=LOW), the subsequent three cycles of output data will be
available to the user on the next three rising clock edges. The order of these
three addresses will be defined by the internal burst counter and the LBO
input pin.
3.3V CMOS process, and is packaged in a JEDEC Standard 14mm x
20mm 100-pin thin plastic quad flatpack (TQFP) for optimum board density
in both desktop and notebook applications.
The IDT71V632 SRAM contains write, data, address, and control
The burst mode feature offers the highest level of performance to the
The IDT71V632 SRAM utilizes IDT's high-performance, high-volume
Power
Power
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
Asynchronous
Asynchronous
Synchronous
Synchronous
Synchronous
Synchronous
Synchronous
Synchronous
Synchronous
Synchronous
Synchronous
Synchronous
IDT71V632
N/A
N/A
N/A
DC
DSC-3619/04
3619 tbl 01

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IDT71V632 Summary of contents

Page 1

... Power down controlled by ZZ input Operates with a single 3.3V power supply (+10/-5%) Packaged in a JEDEC Standard 100-pin rectangular plastic thin quad flatpack (TQFP). The IDT71V632 is a 3.3V high-speed SRAM organized as 64K –A Address Inputs 0 ...

Page 2

... N/A NC pins are not electrically connected to the chip. I HIGH Asynchronous sleep mode input. ZZ HIGH will gate the CLK internally and power down the IDT71V632 to its lowest power consumption level. Data retention is guaranteed in Sleep Mode. 6.42 2 Commercial and Industrial Temperature Ranges . If BWE is – ...

Page 3

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect LBO ADV CLK ADSC ADSP A – BWE CS0 Powerdown OE 32 I/O –I Commercial and Industrial Temperature Ranges Burst CE Sequence 2 Burst Binary Logic Counter Q0 CLR Q1 2 CLK ADDRESS REGISTER ...

Page 4

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Symbol Rating (2) Terminal Voltage with V TERM Respect to GND (3) V Terminal Voltage with TERM Respect to GND T Operating Temperature A T Temperature Under Bias BIAS T Storage Temperature STG P Power Dissipation Output Current ...

Page 5

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect 100 I I DDQ V 5 SSQ SSQ V 11 DDQ I I ( DDQ V 21 SSQ SSQ V 27 DDQ I I NOTES: 1. Pin 14 can either be directly connected ...

Page 6

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Address Operation Used Deselected Cycle, Power Down None Deselected Cycle, Power Down None Deselected Cycle, Power Down None Deselected Cycle, Power Down None Deselected Cycle, Power Down None ...

Page 7

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect GW Operation Read H Read H Write all Bytes L Write all Bytes H (2) Write Byte 1 H (2) Write Byte 2 H (2) Write Byte 3 H (2) Write Byte 4 H NOTES Don’t Care Multiple bytes may be selected during the same cycle. ...

Page 8

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Symbol Parameter |I | Input Leakage Current LI ZZ and LBO Input Leakage Current |I | LZZ |I Output Leakage Current (3.3V) Output Low Voltage OL V (3.3V) Output High Voltage OH NOTE: 1. The LBO pin will be internally pulled to V ...

Page 9

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Symbol Parameter CLOCK PARAMETERS t Clock Cycle Time CYC (1) t Clock High Pulse Width CH (1) t Clock Low Pulse Width CL OUTPUT PARAMETERS t Clock High to Valid Data CD t Clock High to Data Change ...

Page 10

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Commercial and Industrial Temperature Ranges 6.42 10 ...

Page 11

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Commercial and Industrial Temperature Ranges 6.42 11 ...

Page 12

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Commercial and Industrial Temperature Ranges GW 6. ...

Page 13

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Commercial and Industrial Temperature Ranges 6.42 13 ...

Page 14

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Commercial and Industrial Temperature Ranges 6.42 14 ...

Page 15

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect CLK ADSP ADSC ADDRESS Av GW, BWE, BWx CE DATA OUT NOTES input is LOW, ADV is HIGH and LBO is Don’t Care for this cycle represents the data for address A , etc. ...

Page 16

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect CLK ADSP ADSC ADDRESS DATA IN NOTES input is LOW, ADV and OE are HIGH, and LBO is Don’t Care for this cycle represents the data for address A , etc Although only GW writes are shown, the functionality of BWE and BWx together is the same as GW. ...

Page 17

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect Commercial and Industrial Temperature Ranges 6.42 17 ...

Page 18

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect IDT 71V632 S X Device Power Speed Type PART NUMBER SPEED IN MEGAHERTZ 71V632SA4PF 71V632S5PF 71V632S6PF 71V632S7PF X PF Process/ Package Temperature Range Blank Commercial only. t PARAMETER CD 117 MHz 4.5 ns ...

Page 19

... IDT71V632, 64K x 32, 3.3V Synchronous SRAM with Pipelined Outputs and Single Cycle Deselect 9/9/99 Pg Pg. 15, 16 Pg. 18 09/30/99 Pg 04/04/00 Pg. 17 08/09/00 08/17/01 CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 The IDT logo is a registered trademark of Integrated Device Technology, Inc. Updated to new format Revised speed offerings to 66– ...

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