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參數(shù)資料
| 型號： | WS57C45 |
| 英文描述： | Miitary High Speed 2K×8 Registed COMS PROM/RPROM(高速2K×8記錄CMOS PROM/RPROM) |
| 中文描述： | Miitary高速2K × 8臨時會員COMS衛(wèi)星胎膜早破/ RPROM（高速2K × 8記錄的CMOS可編程/ RPROM） |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 27K |
| 代理商： | WS57C45 |
WS57C45
4-5
PRODUCT SELECTION GUIDE
PARAMETER
WS57C45-35
WS57C45-45
Set Up Time (Max)
Clock to Output (Max)
35 ns
15 ns
45 ns
25 ns
MILITARY 2K x 8 REGISTERED CMOS PROM/RPROM
KEY FEATURES
Ultra-Fast Access Time
— 35 ns Setup
— 15 ns Clock to Output
Low Power Consumption
Fast Programming
Programmable Synchronous or
Asynchronous Output Enable
DESC SMD Nos. 5962-88735/5962-87529
Pin Compatible with AM27S45 and
CY7C245
Immune to Latch-UP
— Up to 200 mA
ESD Protection Exceeds 2000 Volts
Programmable Asynchronous Initialize
Register
GENERAL DESCRIPTION
The WS57C45 is an extremely High Performance 16K UV Erasable Registered CMOS RPROM. It is a direct
drop-in replacement for such devices as the AM27S45 and CY7C245.
To meet the requirements of systems which execute and fetch instructions simultaneously, an 8-bit parallel data
register has been provided at the output which allows RPROM data to be stored while other data is being
addressed.
An asynchronous initialization feature has been provided which enables a user programmable 2049th word to be
placed on the outputs independent of the system clock. This feature can be used to force an initialize word or
provide a preset or clear function.
A further advantage of the WS57C45 over Bipolar PROM devices is the fact that it utilizes a proven EPROM
technology. This enables the entire memory array to be tested for switching characteristics and functionality after
assembly. Unlike devices which cannot be erased, every WS57C45 RPROM in a windowed package is 100%
tested with worst case test patterns both before and after assembly.
V
CC
A
8
A
9
A10
INIT/V
PP
OE/OE
S
CP/PGM
O
7
O
6
O
5
O
4
O
3
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
24
23
22
21
20
19
18
17
16
15
14
13
TOP VIEW
CERDIP
PIN CONFIGURATION
Return to Main Menu
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WS57C49C | Miitary High Speed 8K×8 COMS PROM/RPROM(高速8K×8CMOS PROM/RPROM) |
| WS57C51C | Miitary High Speed 16K×8 COMS PROM/RPROM(高速16K×8CMOS PROM/RPROM) |
| WS57C71C | Miitary High Speed 32K×8 COMS PROM/RPROM(高速32K×8CMOS PROM/RPROM) |
| WS57C71C | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
| WS57C71C-45CI | HIGH SPEED 32K x 8 CMOS PROM/RPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WS57C45-1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MILITARY 2K x 8 REGISTERED CMOS PROM/RPROM |
| WS57C45-25 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH-SPEED 2K x 8 REGISTERED CMOS PROM/RPROM |
| WS57C45-25T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH-SPEED 2K x 8 REGISTERED CMOS PROM/RPROM |
| WS57C45-35 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH-SPEED 2K x 8 REGISTERED CMOS PROM/RPROM |
| WS57C45-35HMB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
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