stk14c88-n25m Simtek Corporation, stk14c88-n25m Datasheet - Page 6

• Manufacturer Part Number: stk14c88-n25m
• Description: 32kx8 Autostore Nvsram
• Manufacturer: Simtek Corporation

STK14C88
Document Control #ML0014 Rev 2.0
HARDWARE MODE SELECTION
Note m: HSB STORE operation occurs only if an SRAM WRITE has been done since the last nonvolatile cycle. After the STORE (if any) completes,
HARDWARE STORE CYCLE
Note n: E and G low and W high for output behavior.
Note o: t
HARDWARE STORE CYCLE
DQ (DATA OUT)
NO.
22
23
24
25
26
E
H
X
L
L
HSB (OUT)
Feb, 2008
HSB (IN)
the part will go into standby mode, inhibiting all operations until HSB rises.
RECOVER
Standard
t
t
t
t
t
STORE
DELAY
RECOVER
HLHX
HLBL
W
H
X
L
X
is only applicable after t
SYMBOLS
HSB
H
H
H
L
Alternate
HIGH IMPEDANCE
t
t
t
HLHZ
HLQZ
HHQX
A
13
DATA VALID
- A
STORE
X
X
X
X
t
0
HLHX
STORE Cycle Duration
Time Allowed to Complete SRAM Cycle
Hardware STORE High to Inhibit Off
Hardware STORE Pulse Width
Hardware STORE Low to STORE Busy
25
(hex)
t
HLBL
26
is complete.
t
DELAY
23
Not Selected
Read SRAM
Write SRAM
Nonvolatile
STORE
6
PARAMETER
MODE
t
STORE
22
Output High Z
Output Data
Input Data
Output High Z
I/O
t
RECOVER
24
(V
Standby
Active
Active
l
CC 2
MIN
15
STK14C88
1
CC
POWER
= 5.0V ± 10%)
MAX
700
300
10
HIGH IMPEDANCE
UNITS
ms
μ s
ns
ns
ns
DATA VALID
NOTES
NOTES
m
t
n, o
n
n
e