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P10C68-35IGDCBS Datasheet

  • P10C68-35IGDCBS

  • CMOS/SNOS NVSRAM HIGH PERFORMANCE 8 K x 8 NON-VOLATILE STATI...

  • 156.55KB

  • 17頁

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P10C68/P11C68
PRELIMINARY INFORMATION
DS3600-1.2 September 1992
P10C68/P11C68
(Previously PNC10C68 and PNC11C68
)
CMOS/SNOS NVSRAM
HIGH PERFORMANCE 8 K x 8 NON-VOLATILE STATIC RAM
(Supersedes DS3159-1.3, DS3160-1.3, DS3234-1.1, DS3235-1.1)
The P10C68 and P11C68 are fast static RAMs (35 and 45
ns) with a non-volatile electically-erasable PROM (EEPROM)
cell incorporating in each static memory cell. The SRAM can
be read and written an unlimited number of times while
independent non-volatile data resides in PROM.
On the P10C68 data may easily be transferred from the
SRAM to the EEPROM (STORE) and from the EEPROM back
to the SRAM ( RECALL) using the NE (bar) pin. The Store and
Recall cycles are initiated through software sequences on the
P11C68. These devices combine the high performance and
ease of use of a fast SRAM with the data integrity of non-
volatility.
The P10C68 and P11C68 feature the industry standard
pinout for non-volatile RAMs in a 28-pin 0.3-inch plastic and
ceramic dual-in-line packages.
NE
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
DQ
0
DQ
1
DQ
2
V
ss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC
W
NC
A
8
A
9
A
11
G
A
10
E
DQ
7
DQ
6
DQ
5
DQ
4
DQ
3
FEATURES
I
Non-Volatile Data Integrity
I
10 year Data Retention in EEPROM
I
35ns and 45ns Address and Chip Enable Access Times
I
20ns and 25ns Output Enable Access
I
Unlimited Read and Write to SRAM
I
Unlimited Recall Cycles from EEPROM
I
10
4
Store Cycles to EEPROM
I
Automatic Recall on Power up
I
Automatic Store Timing
I
Hardware Store Protection
I
Single 5V
鹵
10% Operation
I
Available in Standard Package 28-pin 0.3-inch DIL
plastic and ceramic
I
Commercial and Industrial temperature ranges
ORDERING INFORMATION
(See back page)
Figure 1. Pin connections - top view.
Pin Name
A
0
- A
12
W
DQ
0
- DQ
7
E
G
V
CC
V
SS
Pin 1
NE
Pin 1 N/C
Function
Address inputs
Write enable
Data in/out
Chip enable
Output enable
Power (+5V)
Ground
Non volatile enable P10C68
No connection
P11C68
1

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