STK16C88-3WF35 Cypress Semiconductor Corp, STK16C88-3WF35 Datasheet - Page 9

• Manufacturer Part Number: STK16C88-3WF35
• Description: IC NVSRAM 256KBIT 35NS 28DIP
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK16C88-3WF35

• 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: 28-DIP (0.600", 15.24mm)
• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 35ns
• 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: 28
• Mounting: Through Hole
• Supply Current: 50mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC Switching Characteristics
SRAM Read Cycle
Switching Waveforms
Document Number: 001-50594 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
5. WE must be HIGH during SRAM Read Cycles.
6. I/O state assumes CE and OE < V
7. Measured ±200 mV from steady state output voltage.
[6]
[5]
[4]
[3, 4]
Parameter
[6]
Cypress
[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
IH
; device is continuously selected.
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
Description
[5, 6]
[5]
Min
35
5
5
0
0
35 ns
STK16C88-3
Max
35
35
15
13
13
35
Page 9 of 15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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