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WS57C191C-35D Datasheet

  • WS57C191C-35D

  • HIGH SPEED 2K x 8 CMOS PROM/RPROM

  • 7頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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WS57C191C/291C
HIGH SPEED 2K
x
8 CMOS PROM/RPROM
KEY FEATURES
鈥?/div>
Ultra-Fast Access Time
鈥?t
ACC
= 25 ns
鈥?t
CS
= 12 ns
鈥?/div>
Pin Compatible with Am27S191/291
and N82S191 Bipolar PROMs
鈥?/div>
Immune to Latch-UP
鈥?Up to 200 mA
鈥?/div>
Low Power Consumption
鈥?/div>
Fast Programming
鈥?/div>
Available in 300 Mil DIP and PLDCC
鈥?/div>
ESD Protection Exceeds 2000V
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.
BLOCK DIAGRAM
EPROM ARRAY
PIN CONFIGURATION
TOP VIEW
6
A5 - A10
ROW
ADDRESSES
ROW
DECODER
Chip Carrier
16,384 BITS
CERDIP/Plastic DIP
NC
A
5
A
6
A
7
5
A0 - A4
COLUMN
ADDRESSES
COLUMN
DECODER
V
CC
A
8
A
9
SENSE
AMPLIFIERS
CS1/ V
PP
CS2
CS3
8
A
4
A
3
A
2
A
1
A
0
NC
O
0
4 3 2
28 27 26
1
5
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
O
1
O
2
NC O
3
O
4
O
5
A
7
A
6
A
5
A
10
A
4
CS1/V
PP
A
3
CS2
A
2
CS3
A
1
NC
A
0
O
7
O
0
O
6
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
V
CC
A
8
A
9
A10
CS1/V
PP
CS2
CS3
O
7
O
6
O
5
O
4
O
3
GND
OUTPUTS
PRODUCT SELECTION GUIDE
PARAMETER
Address Access Time (Max)
CS to Output Valid Time (Max)
191C/291C-25
25 ns
12 ns
191C/291C-35
35 ns
20 ns
191C/291C-45
45 ns
20 ns
191C/291C-55
55 ns
20 ns
Return to Main Menu
2-7

WS57C191C-35D相關(guān)型號(hào)PDF文件下載

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    HIGH SPEED 4K x 8 CMOS PROM/RPROM
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