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參數(shù)資料
| 型號(hào)： | WS57C291C-55TMB |
| 元件分類： | PROM |
| 英文描述： | 2K X 8 UVPROM, 55 ns, CDIP24 |
| 封裝： | 0.300 INCH, CERDIP-24 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 55K |
| 代理商： | WS57C291C-55TMB |
PRODUCT SELECTION GUIDE
PARAMETER
191C/291C-25
191C/291C-35
191C/291C-45
191C/291C-55
Address Access Time (Max)
25 ns
35 ns
45 ns
55 ns
CS to Output Valid Time (Max)
12 ns
20 ns
HIGH SPEED 2K x 8 CMOS PROM/RPROM
KEY FEATURES
Ultra-Fast Access Time
Pin Compatible with Am27S191/291
— tACC = 25 ns
and N82S191 Bipolar PROMs
—tCS = 12 ns
Immune to Latch-UP
Low Power Consumption
— Up to 200 mA
Fast Programming
ESD Protection Exceeds 2000V
Available in 300 Mil DIP and PLDCC
GENERAL DESCRIPTION
The WS57C191C/291C is an extremely High Performance 16K UV Erasable Electrically Re-Programmable Read
Only Memory (RPROM). It is manufactured in an advanced CMOS technology which enables it to operate at Bipolar
PROM speeds while consuming only 25% of the power required by its Bipolar counterparts. The WS57C191C/291C
is also configured in the standard Bipolar PROM pinout which provides an easy upgrade path for systems which are
currently using Bipolar PROMs.
The WS57C191C is packaged in a conventional 600 mil DIP package as well as a Plastic Leaded Chip Carrier
(PLDCC) and a Ceramic Leadless Chip Carrier (CLLCC). The WS57C291C is packaged in a space saving 300 mil
DIP package configuration. Both are available in commercial, industrial, and military operating temperature ranges.
WS57C191C/291C
VCC
A8
A9
A10
CS1/VPP
CS2
CS3
O7
O6
O5
O4
O3
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
A10
CS1/VPP
CS2
CS3
NC
O7
O6
A5 A6 A7
VCC A8 A9
NC
A4
A3
A2
A1
A0
NC
O0
O1 O2
NC O3 O4 O5
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
1
43
2
28 27 26
25
24
23
22
21
20
19
5
6
7
8
9
10
11
12 13 14 15 16 17 18
TOP VIEW
Chip Carrier
CERDIP/Plastic DIP
PIN CONFIGURATION
2-7
ROW
DECODER
EPROM ARRAY
16,384 BITS
COLUMN
DECODER
SENSE
AMPLIFIERS
8
CS2
CS3
OUTPUTS
CS1/ VPP
A0 - A4
COLUMN
ADDRESSES
A5 - A10
ROW
ADDRESSES
6
5
BLOCK DIAGRAM
Return to Main Menu
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| WS57C43 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 4K x 8 CMOS PROM/RPROM |
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