EDI8L32512V WEDC [White Electronic Designs Corporation], EDI8L32512V Datasheet

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EDI8L32512V

Manufacturer Part Number
EDI8L32512V
Description
512Kx32 SRAM Module.3.3V
Manufacturer
WEDC [White Electronic Designs Corporation]
Datasheet

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512Kx32 SRAM Module.3.3V
FEATURES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
October. 2000
Rev. 3
FIG. 1
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DSP Memory Solution
RISC Memory Solution
Random Access Memory Array
Surface Mount Package
Single +3.3V (±5%) Supply Operation
V
V
V
SS
CC
SS
ADSP-21060L (SHARC)
ADSP-21062L (SHARC)
Texas Instruments TMS320LC31
MPC860 (Power Quic)
Fast Access Times: 12, 15, 17, and 20ns
Individual Byte Enables
User configuration organization with Minimal
Additional Logic
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 Noise
Immunity
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
PIN CONFIGURATIONS
White Electronic Designs
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
DQ14
DQ13
DQ12
V
DQ11
DQ10
DQ9
DQ8
V
DQ7
DQ6
DQ5
DQ4
V
DQ3
DQ2
DQ1
CC
SS
SS
1
DESCRIPTION
The EDI8L32512V is a high speed, 3.3V, 16 megabit SRAM.
The device is available with access times of 12, 15, 17 and
20ns allowing the creation of a no wait state DSP and RISC
microprocessor memory solutions.
The device can be configured as a 512K x 32 and used to
create a single chip external data memory solution for TI's
TMS320LC31 (figure 5), or Analog's SHARC
6).
The device provides a 56% space savings when compared
to four 512Kx8, 36 pin SOJs. In addition the EDI8K32512V
has only a 10pF load on the data lines vs. 32 pF for four
plastic SOJs.
The device provides a memory upgrade of the EDI8F32256V
(256K x 32) or the EDI8L32128V (128K x 32) (figure 8).
Alternatively, the device's chip enables can configure it as
a 1M x 16. A 1M x 48 program memory array for Analog's
CHARC DSP is created using three devices (figure 7).
this memory is too deep, two 512K x 24s (EDI8L24512V)
can be used to create a 512K x 48 array or two 128K x
24s (EDI8L24128V) can be used to create a 128K x 48
array.
Note: Soldier Reflow Temperature should not exceed 260°C for 10 seconds.
A0-18
E0#
E1#
E2#
E3#
W#
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
G#
DQ0-DQ31
E0#-E3#
A0-A18
19
PIN DESCRIPTION
BLOCK DIAGRAM
W#
V
G#
V
NC
CC
SS
512K x 32
Memory
Array
Master Output Enable
Master Write Enable
Power (+3.3V±5%)
No Connectiona
Address Inputs
(One per Byte)
Common Data
Chip Enables
Input/Output
Ground
EDI8L32512V
DQ0-DQ7
DQ8-DQ15
DQ16-DQ23
DQ24-DQ31
TM
DSP (figure
If

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EDI8L32512V Summary of contents

Page 1

... White Electronic Designs Corp. reserves the right to change products or specifications without notice. October. 2000 Rev. 3 DESCRIPTION The EDI8L32512V is a high speed, 3.3V, 16 megabit SRAM. The device is available with access times of 12, 15, 17 and 20ns allowing the creation wait state DSP and RISC microprocessor memory solutions. ...

Page 2

... V =0. < -4.0mA 4.0mA OL OL Vcc 480Ω 5pF 255Ω 2 EDI8L32512V CONDITIONS Sym Min Typ V 3.135 3.3 3.465 2 -0 CAPACITANCE (f=1.0MHz ...

Page 3

... WHZ WLZ 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8L32512V 17ns 20ns Max Min Max Min Max ...

Page 4

... White Electronic Designs Corp. reserves the right to change products or specifications without notice. October. 2000 Rev AVAV ADDRESS 1 ADDRESS AVQX AVQV DATA 1 t AVAV t AVQV t ELQV t ELQX t GLQV t GLQX READ CYCLE 2 (W# HIGH) 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8L32512V DATA 2 t EHQZ t GHQZ ...

Page 5

... ELWH t AVWL t WLWH t DVWH t WLQZ WRITE CYCLE 1, W# CONTROLLED t AVAV t AVEH t ELEH t AVEL t WLEH t DVEH HIGH Z WRITE CYCLE 2, E# CONTROLLED 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8L32512V t WHAX t WHDX DATA VALID t WHQX HIGH Z t EHAX t EHDX DATA VALID ...

Page 6

... JEDEC MO-47AE 0.995 0.956 Max 0.040 Max White Electronic Designs Corp. reserves the right to change products or specifications without notice. October. 2000 Rev. 3 Package Part Number No. 99 EDI8L32512V15AI 99 EDI8L32512V17AI 99 EDI8L32512V20AI 99 0.995 Max 0.956 Max Max 0.020 0.050 0.015 BSC 0.930 0.890 ...

Page 7

... INTERFACING THE TEXAS INSTRUMENTS TMS 320LC32 WITH THE EDI8L32512V (512K X 32) Primary Address Bus TMS320LC31 Primary Databus D31 - D0 FIG 6. INTERFACING THE ANALOG SHARC DSP WITH THE EDI8L32512V (512K X 32 ARRAY). Address Bus Analog Device ADSP-2106xL Databus D31-0 D31 D30 . ...

Page 8

... White Electronic Designs FIG 7. INTERFACING THE ANALOG SHARC DSP WITH THE EDI8L32512V ( ARRAY) Address Bus Analog Device ADSP-2106xL Databus FIG 8. MCM-L UPGRADE PATH White Electronic Designs Corp. reserves the right to change products or specifications without notice. October. 2000 Rev ...

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