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參數(shù)資料
PRODUCT SELECTION GUIDE
PARAMETER
Address Access Time (Max)
CS to Output Valid Time (Max)
WS57C71C-35
35 ns
15 ns
WS57C71C-45
45 ns
20 ns
WS57C71C-55
55 ns
20 ns
WS57C71C-70
70 ns
30 ns
WS57C71C
2-55
HIGH SPEED 32K x 8 CMOS PROM/RPROM
KEY FEATURES
Ultra-Fast Access Time
— 35 ns
Low Power Consumption
Fast Programming
Immune to Latch-UP
— Up to 200 mA
ESD Protection Exceeds 2000V
Available in 300 Mil DIP and PLDCC
GENERAL DESCRIPTION
The WS57C71C is a High Performance 256K UV Erasable Electrically Re-Programmable Read Only Memory
(RPROM). It is manufactured in an advanced CMOS technology and utilizes WSI's patented self-aligned split gate
EPROM cell.
The industry standard PROM pin configuration of the WS57C71C provides an easy upgrade path from a 16K x 8
device.
This RPROM is capable of operating at speeds as fast as 35 ns address access time, which enables it to be used
directly with today's fast microprocessors and DSP processors without introducing any wait states. All inputs and
outputs are TTL compatible. The WS57C71C is a low power device even when operated at its fastest speed. The
DIP version is packaged in a 300 mil wide DIP package saving board space for the user.
V
CC
A10
A11
A12
A13
A14
CS3
CS2
CS1/VPP
O
7
O
6
O
5
O
4
O
3
A
9
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
O
0
O
1
O
2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A
12
A
13
A
14
NC
CS3
CS2
CS1/VPP
O
7
O
6
A
6
A
5
A
4
A
3
A
2
A
1
A
0
NC
O
0
A
7
A
8
A
9
N
V
C
A
1
A
1
O
1
O
2
NC O
3
O
4
O
5
G
1
4 3
2
32 31 30
29
28
27
26
25
24
23
22
21
5
6
7
8
9
10
11
12
13
14 15 16 17 18 19 20
TOP VIEW
Chip Carrier
CERDIP
PIN CONFIGURATION
ROW
DECODER
EPROM ARRAY
262,144 BITS
COLUMN
DECODER
SENSE
AMPLIFIERS
8
CS2
CS3
OUTPUTS
CS1/V
PP
A0 - A5
COLUMN
ADDRESSES
A6 - A14
ROW
ADDRESSES
9
9
BLOCK DIAGRAM
Return to Main Menu
相關PDF資料 |
PDF描述 |
|---|---|
| WS57C71C-70T | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57C71C-35 | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57C71C-35J | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57C71C-35L | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57C71C-35T | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| WS57C71C-70T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57C71C-70TMB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57LV291C | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM |
| WS57LV291C-70 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM |
| WS57LV291C-70T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM |
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