EDI8L32256C ETC1 [List of Unclassifed Manufacturers], EDI8L32256C Datasheet
EDI8L32256C
Manufacturer Part Number
EDI8L32256C
Description
256Kx32, 5V Static Ram
Manufacturer
ETC1 [List of Unclassifed Manufacturers]
Datasheet
1.EDI8L32256C.pdf
(5 pages)
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EDI8L32256C15AI
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EDI
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EDI
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Features
256Kx32 bit CMOS Static
DSP Memory Solution
Random Access Memory Array
Surface Mount Package
Single +5V (±5%) Supply Operation
Note: For memory upgrade information refer to page 8, Figure 8 "EDI MCM-L
upgrade path".
Pin Configurations and Block Diagram
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
VSS
VCC
VSS
• Texas Instruments TMS320C3x, TMS320C4x
• Analog SHARC
• Motorola DSP96002
• Fast Access Times: 15, 17, 20 and 25ns
• Individual Byte Enables
• User Configurable Organization
• Master Output Enable and Write Control
• TTL Compatible Inputs and Outputs
• Fully Static, No Clocks
• 68 Lead PLCC, No. 99, JEDEC MO-47AE
• Small Footprint, 0.990 Sq. In.
• Multiple Ground Pins for Maximum
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
with Minimal Additional Logic
Noise Immunity
• One Research Drive • Westborough, MA 01581USA • 508-366-5151 • FAX 508-836-4850 •
TM
DSP
http://www.electronic-designs.com
Electronic Designs Incorporated
EDI8L32256C Rev. 4 3/98 ECO#9662
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
DQ14
DQ13
DQ12
VSS
DQ11
DQ10
DQ9
DQ8
VCC
DQ7
DQ6
DQ5
DQ4
VSS
DQ3
DQ2
DQ1
1
256Kx32, 5V Static Ram
The EDI8L32256C is a high speed, 5V, 8 megabit SRAM.
The device is available with access times of 15, 17, 20 and
25ns, allowing the creation of a no wait state DSP memory
solution.
The device can be configured as a 256Kx32 and used to
create a single chip external data memory solution for
Texas Instruments' TMS320C30/31, TMS 320C32 or
TMS320C4x, Motorola's DSP96002 and Analog Device's
SHARC
Alternatively the device's chip enables can be used to
configure it as a 512Kx16. A 512Kx48 program memory
array for Analog's SHARC
devices. If this memory is too deep, two 256Kx24s
(EDI8L24256C) can be used to create a 256Kx48 array or
two 128Kx24s (EDI8L24128C) can be used to create a
128Kx48 array.
The device provides a 32% space savings when compared
to two monolithic 256Kx16, 44 pin SOJs.
The device provides a memory upgrade of the
EDI8L32128C (128Kx32) and the EDI8L3265C (64Kx32).
For more memory the device can be upgraded to the
EDI8L32512C (512Kx32).
NOTE: Solder Reflow temperature should not exceed 260°C for 10 seconds.
Pin Names
AØ-A17
EØ-E1
BSØ-BS3
W
G
DQØ-DQ31
VCC
VSS
NC
AØ-A17
BSØ
TM
BS1
BS2
BS3
EØ
E1
W
G
DSP.
18
Common Data Input/Output
Address Inputs
Chip Enables (One per Word)
Byte Selects (One per Byte)
Master Write Enable
Master Output Enable
Power (+5V±5%)
Ground
No Connection
256Kx32
Memory
A r r a y
TM
DSP is created using three
256Kx32 SRAM Module
EDI8L32256C
DQØ-DQ7
DQ8-DQ15
DQ16-DQ23
DQ24-DQ31
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EDI8L32256C Summary of contents
Page 1
... One Research Drive • Westborough, MA 01581USA • 508-366-5151 • FAX 508-836-4850 • 256Kx32, 5V Static Ram The EDI8L32256C is a high speed, 5V, 8 megabit SRAM. The device is available with access times of 15, 17, 20 and 25ns, allowing the creation wait state DSP memory solution ...
Page 2
... IOL = 8.0mA Capacitance (f=1.0MHz, VIN=VCC or VSS) Power ICC2,ICC3, Parameter ICC1 Address Lines ICC1 Data Lines ICC1 Write & Output Enable Lines W, G ICC1 Chip Enable Lines/Byte Select EDI8L32256C Rev. 4 3/98 ECO#9662 Sym Min Typ Max Units VCC 4.75 5.0 5.25 V VSS VIH 2 ...
Page 3
... TBLQX TBLZ 15 TELQX TCLZ 3 TBLQX TBLZ 3 TEHQZ TCHZ 8 TBHQZ TBHZ 8 TAVQX TOH 3 TGLQV TOE 6 TGLQX TOLZ 2 TGHQZ TOHZ 5 3 EDI8L32256C Rev. 4 3/98 ECO#9662 EDI8L32256C 256Kx32 SRAM Module 17ns 20ns 25ns Max Units ...
Page 4
... TWP 10 12 TWP 10 12 TWR 0 0 TWR 0 0 TDH 0 0 TDH 0 0 TWHZ TDW 6 8 TDW 6 8 TWLZ EDI8L32256C Rev. 4 3/98 ECO#9662 20ns 25ns Max Units ...
Page 5
... Electronic Designs Inc. reserves the right to change specifications without notice. Industrial (-40°C to +85°C) Package Part Number No. 99 EDI8L32256C17AI 99 EDI8L32256C20AI 99 EDI8L32256C25AI 99 Electronic Designs Incorporated http://www.electronic-designs.com CAGE No. 66301 5 EDI8L32256C Rev. 4 3/98 ECO#9662 EDI8L32256C 256Kx32 SRAM Module Speed Package (ns) No ...