파트넘버.co.kr WS256K32-XXX 데이터시트 PDF


WS256K32-XXX 반도체 회로 부품 판매점

256Kx32 SRAM MODULE



White Electronic Designs 로고
White Electronic Designs
WS256K32-XXX 데이터시트, 핀배열, 회로
256Kx32 SRAM MODULE PRELIMINARY*
FEATURES
s Access Times 20, 25, 35ns
s MIL-STD-883 Compliant Devices Available
s Packaging
• 66 pin, PGA Type, 1.185 inch square, Hermetic
Ceramic HIP (Package 401)
• 68 lead, 40mm, Hermetic CQFP (Package 501)
s Organized as 256Kx32, User Configurable as 512Kx16
s Upgradable to 512Kx32 for future expansion
s Data I/O Compatible with 3.3V devices
WS256K32-XXX
HI-RELIABILITY PRODUCT
www.DataSheet4U.com
s 2V Data Retention devices available
(WS256K32L-XXX low power version only)
s Commercial, Industrial and Military Temperature Range
s 5 Volt Power Supply
s Low Power CMOS
s TTL Compatible Inputs and Outputs
s Weight
WS256K32N-XHX - 13 grams typical
WS256K32-XG4X - 20 grams typical
* This data sheet describes a product under development, not fully
characterized, and is subject to change without notice.
FIG. 1 PIN CONFIGURATION FOR WS256K32N-XHX
TOP VIEW
1 12 23
34 45 56
I/O8 NC
I/O15
I/O24
VCC
I/O31
I/O9 NC
I/O14
I/O25
NC I/O30
I/O10
A13
GND
I/O11
I/O13
I/O12
I/O26
A6
NC
I/O27
I/O29
I/O28
BLOCK DIAGRAM
A14 A10
OE
A15 A11
NC
A16 A12
WE1
A17 VCC I/O7
A7 A3
A0
NC A4
A1
A8 A5
A2
A9 WE2 I/O23
OE
A0-17
W E1C S 1
256K x 16
W E2 C S2
256K x 16
I/O0 CS1 I/O6
I/O1 NC
I/O5
I/O16
I/O17
CS2
GND
I/O22
I/O21
16 16
I/O2 I/O3
I/O4
11 22
33
I/O18
I/O19
I/O20
44 55 66
I/O0-15
I/O16-31
PIN DESCRIPTION
I/O0-31 Data Inputs/Outputs
A0-17
Address Inputs
WE1-2
Write Enables
CS1-2
Chip Selects
OE Output Enable
VCC Power Supply
GND
Ground
NC Not Connected
October 2000 Rev. 2
1 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com


WS256K32-XXX 데이터시트, 핀배열, 회로
WS256K32-XXX
www.DataSheet4U.com
FIG. 2 PIN CONFIGURATION FOR WS256K32-XG4X
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
TOP VIEW
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
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
PIN DESCRIPTION
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
BLOCK DIAGRAM
WE
OE
A0-17
CS1
CS2
256K x 16
256K x 16
16 16
I/O0-31 Data Inputs/Outputs
A0-17
Address Inputs
WE Write Enable
CS1-2
Chip Selects
OE Output Enable
VCC Power Supply
GND
Ground
NC Not Connected
I/O0-15
I/O16-31
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
2




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256Kx32 SRAM MODULE - White Electronic Designs