STK11C88-P45 Cypress Semiconductor Corp, STK11C88-P45 Datasheet - Page 9
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STK11C88-P45
Manufacturer Part Number
STK11C88-P45
Description
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Datasheet
1.STK11C88-P45.pdf
(16 pages)
Specifications of STK11C88-P45
Word Size
8b
Organization
32Kx8
Density
256Kb
Interface Type
Parallel
Access Time (max)
45ns
Operating Supply Voltage (typ)
5V
Package Type
PDIP
Operating Temperature Classification
Commercial
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
Operating Temp Range
0C to 70C
Pin Count
28
Mounting
Through Hole
Supply Current
70mA
Lead Free Status / RoHS Status
Not Compliant
AC Switching Characteristics
SRAM Read Cycle
Switching Waveforms
Notes
Document Number: 001-50591 Rev. *B
t
t
t
t
t
t
t
t
t
t
t
5. WE must be HIGH during SRAM Read Cycles and LOW during SRAM WRITE cycles.
6. I/O state assumes CE and OE < V
7. Measured ±200 mV from steady state output voltage.
ACE
RC
AA
DOE
OHA
LZCE
HZCE
LZOE
HZOE
PU
PD
Parameter
[6]
[5]
[4]
[4]
Cypress
[6]
[7]
[7]
[7]
[7]
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 6. SRAM Read Cycle 2: CE and OE Controlled
Figure 5. SRAM Read Cycle 1: Address 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
25
5
5
0
0
25 ns
[5, 6]
[5]
Max
10
10
10
25
25
25
Min
45
5
5
0
0
45 ns
STK11C88
Max
45
45
20
15
15
45
Page 9 of 16
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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