WS57C291C-45 Datasheet PDF - STMicroelectronics
| Part Number | WS57C291C-45 | |
| Description | HIGH SPEED 2K x 8 CMOS PROM/RPROM | |
| Manufacturers | STMicroelectronics | |
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WS57C191C/291C
MILITARY HIGH SPEED 2K x 8 CMOS PROM/RPROM
• Ultra-Fast Access Time
— tACC = 35 ns
— tCS = 20 ns
• Low Power Consumption
• Fast Programming
• Available in 300 and 600 Mil DIP
KEY FEATURES
• Pin Compatible with Am27S191/291
and N82S191 Bipolar PROMs
• Immune to Latch-UP
— Up to 200 mA
• 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. The WS57C291C is packaged in a space
saving 300 mil DIP package configuration.
MODE SELECTION
PINS
CS1/VPP CS2 CS3 VCC OUTPUTS
MODE
Read
VIL VIH VIH VCC DOUT
Output
Disable
VIH X X VCC High Z
Output
Disable
X VIL X VCC High Z
Program
Program
Verify
VPP
VI L
X X VCC
VIH VIH VCC
DIN
DOUT
Output
Disable
X X VIL VCC High Z
PIN CONFIGURATION
TOP VIEW
CERDIP
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
24 VCC
23 A8
22 A9
21 A10
20 CS1/VPP
19 CS2
18 CS3
17 O7
16 O6
15 O5
14 O4
13 O3
PRODUCT SELECTION GUIDE
PARAMETER
WS57C191C/291C-35
Address Access Time (Max)
35 ns
CS to Output Valid Time (Max)
20 ns
WS57C191C/291C-45
45 ns
20 ns
WS57C191C/291C-55
55 ns
20 ns
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4-3
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for WS57C291C-45 electronic component. |
| Information | Total 2 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ WS57C291C-45.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| WS57C291C-45 | The function is MILITARY HIGH SPEED 2K x 8 CMOS PROM/RPROM. STMicroelectronics | |
| WS57C291C-45 | The function is HIGH SPEED 2K x 8 CMOS PROM/RPROM. STMicroelectronics | |
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