STK10C68-5C25I SIMTEK [Simtek Corporation], STK10C68-5C25I Datasheet

no-image

STK10C68-5C25I

Manufacturer Part Number
STK10C68-5C25I
Description
Manufacturer
SIMTEK [Simtek Corporation]
Datasheet
BLOCK DIAGRAM
FEATURES
• 25ns, 35ns, 45ns and 55ns Access Times
• STORE to Nonvolatile Elements Initiated by
• RECALL to SRAM Initiated by Hardware or
• Automatic STORE Timing
• 10mA Typical I
• Unlimited READ, WRITE and RECALL Cycles
• 1,000,000 STORE Cycles to Nonvolatile Ele-
• 100-Year Data Retention (Industrial/Commer-
• Commercial, Industrial and Military Tempera-
• 28-Pin DIP, SOIC and LCC Packages
March 2006
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
A
A
A
A
A
A
A
Hardware
Power Restore
ments (Industrial/Commercial)
cial)
tures
5
6
7
8
9
11
12
0
1
2
3
4
5
6
7
CC
at 200ns Cycle Time
A
0
COLUMN DEC
COLUMN I/O
STATIC RAM
A
128 x 512
1
ARRAY
A
2
A
3
QUANTUM TRAP
A
Obsolete - Not Recommend for new Designs
4
128 x 512
A
10
RECALL
STORE
STK10C68-M SMD#5962-93056
1
DESCRIPTION
The Simtek STK10C68 is a fast static
atile element incorporated in each static memory cell. The
SRAM
times, while independent nonvolatile data resides in
volatile Elements
the
ation
(the
from the Nonvolatile Elements to the
RECALL
restoration of power.
performance and ease of use of a fast
atile data integrity.
The STK10C68 features industry-standard pinout for non-
volatile
ing (
SRAM
Nonvolatile Static RAM
SMD
), or from the
QuantumTrap™ CMOS
RECALL
Document Control # ML0006 rev 0.2
can be read and written an unlimited number of
RAM
CONTROL
RECALL
STORE/
operation) also take place automatically on
#5962-93056) devices are available.
to the
s. MIL-STD-883 and Standard Military Draw-
operation), using the NE pin.
G
NE
E
W
Nonvolatile Elements
. Data may easily be transferred from
Nonvolatile Elements
8K x 8 nvSRAM
The STK10C68 combines the high
PIN CONFIGURATIONS
PIN NAMES
STK10C68
A
W
DQ
E
G
NE
V
V
0
CC
SS
- A
0
28 - LCC
- DQ
12
7
RAM
SRAM
Address Inputs
Write Enable
Data In/Out
Chip Enable
Output Enable
Nonvolatile Enable
Power (+ 5V)
Ground
(the
DQ
DQ
DQ
V
A
NE
A
A
A
A
A
A
A
A
SS
12
7
6
5
4
3
2
0
with a nonvol-
1
0
2
1
to the
STORE oper-
SRAM
with nonvol-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 - DIP
28 - SOIC
Transfers
SRAM
Non-
28
27
26
25
24
23
22
21
20
19
18
17
16
15
(the
V
A
A
A
G
A
E
DQ
DQ
DQ
DQ
DQ
W
NC
CC
8
9
11
10
6
5
7
4
3

Related parts for STK10C68-5C25I

STK10C68-5C25I Summary of contents

Page 1

... STK10C68-M SMD#5962-93056 QuantumTrap™ CMOS Nonvolatile Static RAM Obsolete - Not Recommend for new Designs DESCRIPTION The Simtek STK10C68 is a fast static atile element incorporated in each static memory cell. The can be read and written an unlimited number of SRAM times, while independent nonvolatile data resides in ...

Page 2

... STK10C68 ABSOLUTE MAXIMUM RATINGS Voltage on Input Relative to Ground . . . . . . . . . . . . . .–0.5V to 7.0V 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 # ML0006 rev 0.2 STK10C68 ± 5.0V CC STK10C68-35 STK10C68-45 STK10C68-55 MIN MAX MIN MAX MIN MAX ...

Page 4

... WLQZ HIGH IMPEDANCE AVAV 14 t ELEH 17 t AVEH 13 t WLEH 15 t DVEH DATA VALID HIGH IMPEDANCE 4 Document Control # ML0006 rev 0.2 ± 5.0V 10%) CC STK10C68-45 STK10C68-55 UNITS MAX MIN MAX MIN MAX ...

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 # ML0006 rev 0.2 STK10C68 (V = 5.0V + 10%) CC STK10C68 UNITS NOTES MIN MAX μs 550 10 ms 4.0 4.5 V 3.6 V BROWN OUT STORE INHIBIT RECALL WHEN V RETURNS CC ) ABOVE V ...

Page 6

... STK10C68 MODE SELECTION Note l: An automatic RECALL takes place at power up, starting when V STORE CYCLES #1 & #2 SYMBOLS NO Alt WLQX ELQX STORE WLNH ELNH GHNL ...

Page 7

... NLQZ NLEL 36 t GLEL WHEL ELNHR , NLGL 34 t GLNH 37 t WHGL 38 ELGL 7 Document Control # ML0006 rev 0.2 STK10C68 ± 5.0V 10%) CC MIN MAX UNITS 550 33 t NLQX HIGH IMPEDANCE 33 t ELQXR 33 t GLQXR μ ...

Page 8

... Nonvolatile Elements or from Nonvolatile SRAM Elements to . SRAM NOISE CONSIDERATIONS Note that the STK10C68 is a high-speed memory and so must have a high-frequency bypass capaci- tor of approximately 0.1μF connected between V and V , using leads and traces that are as short as SS possible. As with all high-speed careful routing of power, ground and signals will help prevent noise problems ...

Page 9

... The overall average cur- (or STORE rent drawn by the STK10C68 depends on the fol- lowing items: 1) duty cycle of chip enable; 3) the overall cycle rate s are STORE for accesses; 4) the ratio of the operating temperature ...

Page 10

... STK10C68 STK10C68 - 5962-93056 March 2006 ORDERING INFORMATION Temperature Range Blank = Commercial (0 to 70° Industrial (–40 to 85° Military (–55 to 125°C) Access Time 25 = 25ns 35 = 35ns 45 = 45ns 55 = 55ns (Military only) Lead Finish (Plastic only) Blank = 85%Sn/15% 100% Sn (Matte Tin) Package ...

Page 11

... Document Revision History Date Revision December 2002 0.0 September 2003 0.1 March 2006 0.2 March 2006 Summary Combined commercial, industrial and military data sheets. Removed 20 nsec device. Added lead-free lead finish Marked as Obsolete, Not recommended for new design. 11 Document Control # ML0006 rev 0.2 STK10C68 ...

Page 12

... STK10C68 March 2006 12 Document Control # ML0006 rev 0.2 ...

Related keywords