STK16C88-3WF35 Cypress Semiconductor Corp, STK16C88-3WF35 Datasheet - Page 12

• 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

Software Controlled STORE/RECALL Cycle
The software controlled STORE/RECALL cycle follows.
Switching Waveforms
Document Number: 001-50594 Rev. *A
t
t
t
t
t
Notes
RC
SA
CW
HACE
RECALL
11. The software sequence is clocked on the falling edge of CE without involving OE (double clocking will abort the sequence).
12. The six consecutive addresses must be read in the order listed in the Mode Selection table. WE must be HIGH during all six consecutive cycles.
[11]
Parameter
[11]
ADDRESS
DQ (DATA)
[7, 11]
CE
OE
t
t
t
t
AVAV
AVEL
ELEH
ELAX
t
SA
Alt
A
D
DATA VALID
D
Figure 10. CE Controlled Software STORE/RECALL Cycle
R
t
t
SCE
RC
E
S
t
HACE
S
#
1
STORE/RECALL Initiation Cycle Time
Address Setup Time
Clock Pulse Width
Address Hold Time
RECALL Duration
[11, 12]
Description
A
D
D
t
R
RC
E
S
DATA VALID
S
#
6
t
STORE
[12]
HIGH IMPEDANCE
/ t
RECALL
Min
35
25
20
0
35 ns
STK16C88-3
Max
20
Page 12 of 15
Unit
ns
ns
ns
ns
μs
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