STK11C88-3N25 SIMTEK [Simtek Corporation], STK11C88-3N25 Datasheet

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STK11C88-3N25

Manufacturer Part Number
STK11C88-3N25
Description
Manufacturer
SIMTEK [Simtek Corporation]
Datasheet
FEATURES
• 35, 45ns and 55ns Access Times
• STORE to Nonvolatile Elements Initiated by
• RECALL to SRAM Initiated by Software or
• 10 mA Typical Icc at 200 nsec Cycle Time
• Unlimited READ, WRITE and RECALL Cycles
• 1,000,000 STORE Cycles to Nonvolatile Ele-
• 100-Year Data Retention in Nonvolatile Ele-
• Single 3.3V+ 0.3V Operation
• Commercial and Industrial Temperatures
• 28-Pin DIP and SOIC Packages
BLOCK DIAGRAM
March 2006
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
Software
Power Restore
ments
ments
A
A
A
A
A
A
A
A
A
8
5
6
7
9
11
12
13
14
0
1
2
3
4
5
6
7
A
0
COLUMN DEC
STATIC RAM
COLUMN I/O
A
512 x 512
1
ARRAY
A
2
A
3
QUANTUM TRAP
A
4
512 x 512
A
Obsolete - Not Recommend for new Deisgns
10
RECALL
STORE
CONTROL
RECALL
STORE/
3.3V QuantumTrap™ CMOS
1
SOFTWARE
DESCRIPTION
The Simtek STK11C88-3 is a fast static
nonvolatile element incorporated in each static
memory cell. The
unlimited number of times, while independent non-
volatile data resides in Nonvolatile Elements. Data
transfers from the
(the
to
software sequence. Data transfers from the Nonvol-
atile Elements to the
also occur upon restoration of power.
DETECT
SRAM
Nonvolatile Static RAM
STORE
Document Control # ML0013 rev 0.2
G
E
W
(the
operation), or from Nonvolatile Elements
A
RECALL
0
- A
32K x 8 nvSRAM
13
STK11C88-3
SRAM
SRAM
PIN CONFIGURATIONS
PIN NAMES
operation) are initiated using a
SRAM
DQ
DQ
DQ
V
A
A
A
A
A
A
A
A
A
A
SS
12
14
A
W
DQ
E
G
V
V
7
6
5
4
3
2
0
1
0
2
1
to the Nonvolatile Elements
can be read and written an
0
CC
SS
- A
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
- DQ
14
(the
7
RECALL
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Address Inputs
Write Enable
Data In/Out
Chip Enable
Output Enable
Power (+ 3.3V)
Ground
DQ
V
A
A
A
G
A
E
DQ
DQ
DQ
DQ
W
A
CC
13
8
9
11
10
6
5
7
4
3
RAM
28 - 300 PDIP
28 - 600 PDIP
28 - 300 SOIC
28 - 350 SOIC
operation)
with a

Related parts for STK11C88-3N25

STK11C88-3N25 Summary of contents

Page 1

... March 2006 3.3V QuantumTrap™ CMOS Nonvolatile Static RAM Obsolete - Not Recommend for new Deisgns DESCRIPTION The Simtek STK11C88 fast static nonvolatile element incorporated in each static memory cell. The unlimited number of times, while independent non- volatile data resides in Nonvolatile Elements. Data ...

Page 2

... STK11C88-3 ABSOLUTE MAXIMUM RATINGS Voltage on Input Relative to Ground . . . . . . . . . . . . . .–0.5V to 4.5V Voltage on Input Relative –0. Voltage –0. 0-7 Temperature under Bias . . . . . . . . . . . . . . . . . . . . . –55°C to 125°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W DC Output Current (1 output at a time, 1s duration 15mA ...

Page 3

... AXQX AVAV 1 t ELQV 6 t ELQX 4 t GLQV 8 t GLQX 10 t ELICCH ACTIVE 3 Document Control # ML0013 rev 0.2 STK11C88 3.0V-3.6V) CC STK11C88-3-35 STK11C88-3-45 STK11C88-3-55 MIN MAX MIN MAX MIN ...

Page 4

... SRAM WRITE CYCLE #1: W Controlled ADDRESS AVWL W DATA IN DATA OUT PREVIOUS DATA SRAM WRITE CYCLE #2: E Controlled ADDRESS 18 t AVEL E W DATA IN DATA OUT March 2006 STK11C88-3-35 STK11C88-3-45 STK11C88-3-55 PARAMETER MIN AVAV 14 t ELWH 17 ...

Page 5

... SWITCH BROWN OUT BROWN OUT STORE INHIBIT NO RECALL NO RECALL DID NOT GO (V DID NOT BELOW V RESET RESET 5 Document Control # ML0013 rev 0.2 STK11C88 3.0V-3.6V) CC STK11C88-3 UNITS NOTES MIN MAX μs 550 10 ms 2.7 2.95 V 2.4 V BROWN OUT STORE INHIBIT RECALL WHEN V RETURNS CC ) ABOVE V ...

Page 6

... Note l: The six consecutive addresses must be in order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle. Note m: While there are 15 addresses on the STK11C88-3, only the lower 14 are used to control software modes. SOFTWARE STORE/RECALL CYCLE NO. SYMBOLS PARAMETER ...

Page 7

... The STK11C88 versatile 3.3V V chip that provides several modes of operation. The STK11C88-3 can operate as a standard 32K has a 32K x 8 Nonvolatile Elements SRAM shadow to which the information can be cop- SRAM ied or from which the can be updated in non- SRAM volatile mode. ...

Page 8

... WRITE state at the end of than 100%, only standby current is drawn when the chip is disabled. The overall average current drawn by the STK11C88-3 depends on the following items cycle of chip enable; 3) the overall cycle rate for CC accesses; 4) the ratio of operating temperature; 6) the V loading ...

Page 9

... STK11C88-3 March 2006 ORDERING INFORMATION Temperature Range Access Time Lead Finish Package 9 Document Control # ML0013 rev 0.2 STK11C88-3 Blank = Commercial (0 to 70° Industrial (–40 to 85° 35ns 45 = 45ns 55 = 55ns Blank = 85%Sn/15% 100% Sn (Matte Tin) W=Plastic 28-pin 600 mil DIP P=Plastic 28-pin 300 mil DIP ...

Page 10

... STK11C88-3 Document Revision History Date Revision December 2002 0.0 September 2003 0.1 March 2006 0.2 March 2006 Summary Added 35 nsec device; changed Vcc min. to 3.0 volts Added lead free lead finish Marked as Obsolete, Not recommended for new design. 10 Document Control # ML0013 rev 0.2 ...

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