STK14C88-3WF45 Cypress Semiconductor Corp, STK14C88-3WF45 Datasheet - Page 12

• Manufacturer Part Number: STK14C88-3WF45
• Description: IC NVSRAM 256KBIT 45NS 32DIP
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK14C88-3WF45

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP (0.600", 15.24mm)
• 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: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temp Range: 0C to 70C
• Pin Count: 32
• Mounting: Through Hole
• Supply Current: 42mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Notes
AutoStore or Power Up RECALL
Switching Waveforms
Document Number: 001-50592 Rev. *A
t
t
t
V
V
t
15. t
16. CE and OE low and WE high for output behavior.
17. HSB is asserted low for 1us when V
HRECALL
STORE
VSBL
DELAY
RESET
SWITCH
store will take place.
HRECALL
Parameter
[16]
[16]
[16, 17]
[15]
starts from the time V
WE
t
t
t
RESTORE
HLHZ
BLQZ
CC
Alt
rises above V
CAP
drops through V
Power up RECALL Duration
STORE Cycle Duration
Low Voltage Trigger (V
Low Voltage Reset Level
Low Voltage Trigger Level
Time Allowed to Complete SRAM Cycle
SWITCH
Figure 11. AutoStore/Power Up RECALL
.
SWITCH
. If an SRAM WRITE has not taken place since the last nonvolatile cycle, HSB will be released and no
Description
SWITCH
) to HSB low
Min
2.7
1
STK14C88-3
Max
2.95
550
300
2.4
10
STK14C88-3
Page 12 of 17
Unit
ms
μs
ns
μs
V
V
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