STK12C68-5K35M Cypress Semiconductor Corp, STK12C68-5K35M Datasheet - Page 11

• Manufacturer Part Number: STK12C68-5K35M
• Description: STK12C68-5K35M
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK12C68-5K35M

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 64K (8K x 8)
• Speed: 35ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Package / Case: 28-CDIP (0.300", 7.62mm)
• Word Size: 8b
• Organization: 8Kx8
• Density: 64Kb
• Interface Type: Parallel
• Access Time (max): 35ns
• Operating Supply Voltage (typ): 5V
• Operating Temperature Classification: Military
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: -55C to 125C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 75mA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AutoStore or Power Up RECALL
Switching Waveform
Notes
Document Number: 001-51026 Rev. **
t
t
t
V
V
t
t
13. t
14. CE and OE low for output behavior.
15. CE and OE low and WE high for output behavior.
16. HSB is asserted low for 1us when V
HRECALL
STORE
DELAY
VCCRISE
VSBL
SWITCH
RESET
Parameter
takes place.
HRECALL
[11]
[9, 15]
[14, 15, 16]
[13]
starts from the time V
WE
t
t
t
RESTORE
HLHZ
HLQZ ,
Alt
t
BLQZ
CC
rises above V
CAP
Power up RECALL Duration
STORE Cycle Duration
Time Allowed to Complete SRAM Cycle
Low Voltage Trigger Level
Low Voltage Reset Level
V
Low Voltage Trigger (V
drops through V
CC
Rise Time
SWITCH
Figure 12. AutoStore/Power Up RECALL
.
SWITCH
Description
. If an SRAM Write has not taken place since the last nonvolatile cycle, HSB is released and no store
SWITCH
) to HSB Low
STK12C68-5 (SMD5962-94599)
Min
150
4.0
1
STK12C68-5
Max
550
300
4.5
3.9
10
Page 11 of 18
Unit
ms
μs
μs
μs
ns
V
V
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