WS57C51C-45 Datasheet PDF - STMicroelectronics
| Part Number | WS57C51C-45 | |
| Description | MILITARY HIGH SPEED 16K x 8 CMOS PROM/RPROM | |
| Manufacturers | STMicroelectronics | |
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WS57C51C
MILITARY HIGH SPEED 16K x 8 CMOS PROM/RPROM
KEY FEATURES
• Ultra-Fast Access Time
— 45 ns
• Low Power Consumption
• Fast Programming
• Pin Compatible with Am27S51
and N82HS1281
• Immune to Latch-Up
— Up to 200 mA
• ESD Protection Exceeds 2000 V
GENERAL DESCRIPTION
The WS57C51C is a High Performance 128K 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. A further advantage of the
WS57C51C 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 WS5751C in a windowed package is 100% tested with worst case test patterns both
before and after assembly.
The WS57C51C provides a low power alternative to those designs which are committed to a Bipolar PROM
footprint. It is a direct drop-in replacement for a Bipolar PROM of the same architecture (16K x 8). No software,
hardware or layout changes need be performed.
MODE SELECTION
PINS CS1/
MODE
VPP
CS2
CS3
CS4
VCC OUTPUTS
Read
Output
Disable
VIL VIL VIH VIL VCC
VIH X X X VCC
DOUT
High Z
Output
Disable
X VIH X
X VCC High Z
Output
Disable
X X VIL X VCC High Z
Output
Disable
X X X VIH VCC High Z
Program
Program
Verify
VPP VIH X
X VCC
VIL VIL VIH VIL VCC
DIN
DOUT
PIN CONFIGURATION
TOP VIEW
Chip Carrier
CERDIP
A9 1
A5
4
5
3
2
1
32 31 30
29
A12
A8 2
A7 3
A4 6
28 A13
A6 4
A3 7
A2 8
27
26
CS1/VPP
CS2
A5 5
A4 6
A1 9
25 CS3
A0 10
24 CS4
NC 11
23 NC
O0 12
22 O7
O1 13
21 O6
14 15 16 17 18 19 20
A3 7
A2 8
A1 9
A0 10
O0 11
O1 12
O2 13
O2 NC O3 NC O4 O5
GND 14
28 VCC
27 A10
26 A11
25 A12
24 A13
23 CS1/VPP
22 CS2
21 CS3
20 CS4
19 O7
18 O6
17 O5
16 O4
15 O3
PRODUCT SELECTION GUIDE
PARAMETER
Address Access Time (Max)
CS to Output Valid Time (Max)
WS57C51C-45
45 ns
20 ns
WS57C51C-55
55 ns
25 ns
WS57C51C-70
70 ns
30 ns
Return to Main Menu
4-11
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for WS57C51C-45 electronic component. |
| Information | Total 2 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ WS57C51C-45.PDF Datasheet ] | |
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