STK15C68-S35I Cypress Semiconductor Corp, STK15C68-S35I Datasheet - Page 6
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STK15C68-S35I
Manufacturer Part Number
STK15C68-S35I
Description
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Datasheet
1.STK15C68-S35I.pdf
(10 pages)
Specifications of STK15C68-S35I
Word Size
8b
Organization
8Kx8
Density
64Kb
Interface Type
Parallel
Access Time (max)
35ns
Operating Supply Voltage (typ)
5V
Package Type
SOIC
Operating Temperature Classification
Industrial
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
Operating Temp Range
-40C to 85C
Pin Count
28
Mounting
Surface Mount
Supply Current
75mA
Lead Free Status / Rohs Status
Not Compliant
March 2006
STK15C68
SOFTWARE STORE/RECALL MODE SELECTION
Note l:
SOFTWARE STORE/RECALL CYCLE
Note m: The software sequence is clocked with E controlled READs.
Note n: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0000, 1555, 0AAA, 1FFF,
SOFTWARE STORE/RECALL CYCLE: E Controlled
DQ (DATA OUT)
NO.
27
28
29
30
31
E
L
L
ADDRESS
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.
10F0, 0F0F) for a STORE cycle or (0000, 1555, 0AAA, 1FFF, 10F0, 0F0E) for a RECALL cycle. W must be high during all six consecutive
cycles.
t
t
t
t
t
AVAV
AVEL
ELEH
ELAX
RECALL
E
W
H
H
m
g, m
m
G
X
X
STORE/RECALL Initiation Cycle Time
Address Set-Up Time
Clock Pulse Width
Address Hold Time
RECALL Cycle Duration
t
AVEL
28
ADDRESS #1
A
t
12
AVAV
27
- A
0AAA
0AAA
0000
1555
1FFF
10F0
0F0F
0000
1555
1FFF
10F0
0F0E
0
t
DATA VALID
ELEH
PARAMETER
29
(hex)
t
ELAX
30
Nonvolatile
Nonvolatile
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
m, n
MODE
RECALL
STORE
6
ADDRESS #6
MIN
Document Control # ML0009 rev 0.2
STK15C68-25
25
20
20
0
t
AVAV
27
n
DATA VALID
I/O with G Low
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
20
t
STORE
MIN
STK15C68-35
23
35
25
20
0
HIGH IMPEDANCE
/
t
RECALL
31
MAX
20
(V
I/O with G High
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
Output High Z
CC
MIN
STK15C68-45
45
30
20
0
= 5.0V ± 10%)
MAX
20
NOTES
UNITS
ns
ns
ns
ns
μs
l
l