STK14C88-3NF35 Cypress Semiconductor Corp, STK14C88-3NF35 Datasheet - Page 10

• Manufacturer Part Number: STK14C88-3NF35
• Description: IC NVSRAM 256KBIT 35NS 32SOIC
• Manufacturer: Cypress Semiconductor Corp

Specifications of STK14C88-3NF35

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 35ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC Switching Characteristics
SRAM Read Cycle
Switching Waveforms
Document Number: 001-50592 Rev. *A
t
t
t
t
t
t
t
t
t
t
t
Notes
ACE
RC
AA
DOE
OHA
LZCE
HZCE
LZOE
HZOE
PU
PD
9. WE and HSB must be HIGH during SRAM Read Cycles.
10. I/O state assumes CE and OE < V
11. Measured ±200 mV from steady state output voltage.
Parameter
[10]
[9]
[8]
[8]
Cypress
[10]
[11]
[11]
[11]
[11]
Parameter
t
t
t
t
t
t
t
t
t
t
t
ELQV
AVAV,
AVQV
GLQV
AXQX
ELQX
EHQZ
GLQX
GHQZ
ELICCH
EHICCL
t
ELEH
Alt
IL
and WE > V
Figure 7. SRAM Read Cycle 1: Address Controlled
Figure 8. SRAM Read Cycle 2: CE and OE Controlled
Chip Enable Access Time
Read Cycle Time
Address Access Time
Output Enable to Data Valid
Output Hold After Address Change
Chip Enable to Output Active
Chip Disable to Output Inactive
Output Enable to Output Active
Output Disable to Output Inactive
Chip Enable to Power Active
Chip Disable to Power Standby
IH
; device is continuously selected.
Description
Min
35
5
5
0
0
35 ns
[9, 10]
[9]
Max
15
13
13
35
35
35
Min
45
5
5
0
0
45 ns
STK14C88-3
Max
45
45
20
15
15
45
Page 10 of 17
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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