WS512K32-XXX Datasheet, PDF (1/6 Pages) White Electronic Designs Corporation – 512Kx32 SRAM MODULE, SMD 5962-94611

White Electronic Designs
WS512K32-XXX
512Kx32 SRAM MODULE, SMD 5962-94611
FEATURES
■ Access Times of 70, 85, 100, 120ns
■ Packaging
• 68 lead, Hermetic CQFP (G2T)¹, 22.4mm (0.880
inch) square. 4.57mm (0.180 inch) high (Package
509)
■ Organized as 512Kx32, User Configurable as
1Mx16 or 2Mx8
■ Commercial, Industrial and Military Temperature
Ranges
■ TTL Compatible Inputs and Outputs
■ 5V Power Supply
■ Low Power CMOS
■ Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
■ Weight
• WS512K32-XG2TX¹ - 8 grams typical
Note 1: Package Not Recommended for New Designs.
This product is subject to change without notice.
FIGURE 1 – PIN CONFIGURATION FOR WS512K32-XG2TX¹
TOP VIEW
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
PIN DESCRIPTION
I/O0-31 Data Inputs/Outputs
A0-18 Address Inputs
WE#1-4 Write Enables
CS#1-4 Chip Selects
OE# Output Enable
VCC
Power Supply
GND Ground
NC
Not Connected
BLOCK DIAGRAM
OE#
A0-18
WE#1 CS#1
512K x 8
WE#2 CS#2
512K x 8
WE#3 CS#3
512K x 8
WE#4 CS#4
512K x 8
8
8
8
I/O0-7
I/O8-15
I/O16-23
Note 1: Package Not Recommended for New Designs.
8
I/O24-31
March 2005
Rev. 4
1
White Electronic Designs Corporation • [phone] • www.wedc.com