STK11C88-3P45I Cypress Semiconductor Corp, STK11C88-3P45I Datasheet

STK11C88-3P45I

Manufacturer Part Number
STK11C88-3P45I
Description
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Datasheet

Specifications of STK11C88-3P45I

Word Size
8b
Organization
32Kx8
Density
256Kb
Interface Type
Parallel
Access Time (max)
45ns
Operating Supply Voltage (typ)
3.3V
Package Type
PDIP
Operating Temperature Classification
Industrial
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temp Range
-40C to 85C
Pin Count
28
Mounting
Through Hole
Supply Current
44mA
Lead Free Status / RoHS Status
Not Compliant
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 STK11C88-3P45I

STK11C88-3P45I 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 DC CHARACTERISTICS ...

Page 3

... AVAV 3 t AVQV 5 t 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 DATA VALID 11 t EHICCL 7 t EHQZ ...

Page 4

... must be ≥ V Note j: during address transitions. IH 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 t AVWH 13 t ...

Page 5

... 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 ) ...

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. NOISE CONSIDERATIONS ...

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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