STK16C88-3W45 Cypress Semiconductor Corp, STK16C88-3W45 Datasheet - Page 6

• Manufacturer Part Number: STK16C88-3W45
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK16C88-3W45

• 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): 2.7V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Through Hole
• Lead Free Status / Rohs Status: Not Compliant

STK16C88-3
SOFTWARE STORE/RECALL MODE SELECTION
Note l:
Note m: While there are 15 addresses on the STK16C88-3, only the lower 14 are used to control software modes.
SOFTWARE STORE/RECALL CYCLE
Note n: The software sequence is clocked with E controlled reads.
Note o: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0E38, 31C7, 03E0, 3C1F,
SOFTWARE STORE/RECALL CYCLE: E Controlled
February 2002
NO.
26
27
28
29
30
31
ADDRESS
E
L
L
DQ (DATA
SYMBOLS
The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle.
303F, 0FC0) for a STORE cycle or (0E38, 31C7, 03E0, 3C1F, 303F, 0C63) for a RECALL cycle. W must be high during all six consecutive
cycles.
t
t
t
t
t
t
AVAV
AVEL
ELEH
ELAX
RECALL
STORE
E
n
n
g, n
W
H
H
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
Address Hold Time
RECALL Cycle Duration
STORE Cycle Duration
t
AVEL
27
ADDRESS #1
A
13
- A
t
31C7
3C1F
0FC0
31C7
3C1F
0C63
0E38
03E0
303F
0E38
03E0
303F
AVAV
26
0
(hex)
t
ELEH
DATA VALID
28
t
PARAMETER
ELAX
29
Nonvolatile RECALL
Nonvolatile STORE
n, o
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
MODE
5-80
ADDRESS #6
t
AVAV
26
MIN
45
30
20
o
STK16C88-3-45
DATA VALID
0
Output High Z
Output High Z
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
MAX
t
I/O
STORE
20
10
31
HIGH IMPEDANCE
/
t
RECALL
30
MIN
55
45
45
STK16C88-3-55
0
(V
CC
MAX
= 2.7V-3.6V)
20
10
NOTES
l, m
l, m
UNITS
ns
ns
ns
ns
s