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STK10C48-N35I Arkusz danych(PDF) 1 Page - List of Unclassifed Manufacturers

Numer części STK10C48-N35I
Szczegółowy opis  2K X 8 NVSRAM
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Producent  ETC [List of Unclassifed Manufacturers]
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Logo ETC - List of Unclassifed Manufacturers

STK10C48-N35I Arkusz danych(HTML) 1 Page - List of Unclassifed Manufacturers

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July 1999
3-1
STK10C48
2K x 8 nvSRAM
QuantumTrap™ CMOS
Nonvolatile Static RAM
FEATURES
• 20ns, 25ns, 35ns and 45ns Access Times
• STORE to EEPROM Initiated by Hardware
• RECALL to SRAM Initiated by Hardware or
Power Restore
• Automatic STORE Timing
• 10mA Typical I
CC at 200ns Cycle Time
• Unlimited READ, WRITE and RECALL Cycles
• 1,000,000 STORE Cycles to EEPROM
• 100-Year Data Retention over Full Industrial
Temperature Range
• Commercial and Industrial Temperatures
• 28-Pin 300 mil PDIP, 300 mil SOIC and
350 mil SOIC Packages
DESCRIPTION
The Simtek STK10C48 is a fast static RAM with a non-
volatile electrically erasable PROM (EEPROM) element
incorporated in each static memory cell. The SRAM
can be read and written an unlimited number of times,
while
independent
nonvolatile
data
resides
in
EEPROM
. Data may easily be transferred from the
SRAM
to the EEPROM (the STORE operation), or from
the EEPROM to the SRAM (the RECALL operation),
using the NE pin. Transfers from the EEPROM to the
SRAM
(the RECALL operation) also take place auto-
matically on restoration of power. The STK10C48
combines the high performance and ease of use of a
fast SRAM with nonvolatile data integrity.
The STK10C48 features industry-standard pinout for
nonvolatile RAMs.
BLOCK DIAGRAM
COLUMN I/O
COLUMN DEC
STATIC RAM
ARRAY
32 x 512
EEPROM ARRAY
32 x 512
STORE/
RECALL
CONTROL
STORE
RECALL
A7
A8
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
G
E
W
A6
A5
A3
A2
A0 A1
A10
A9
NE
A4
PIN NAMES
A0 - A10
Address Inputs
W
Write Enable
DQ0 - DQ7
Data In/Out
E
Chip Enable
G
Output Enable
NE
Nonvolatile Enable
VCC
Power (+ 5V)
VSS
Ground
PIN CONFIGURATIONS
NE
NC
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
VSS
VCC
NC
A8
A9
NC
G
W
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
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
28 - 300 PDIP
28 - 300 SOIC
28 - 350 SOIC


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