STK16C88-3 Simtek, STK16C88-3 Datasheet - Page 4

• Manufacturer Part Number: STK16C88-3
• Description: CMOS Nonvolatile Static RAM
• Manufacturer: Simtek

STK16C88-3
March 2006
SRAM WRITE CYCLES #1 & #2
Note i:
Note j:
SRAM WRITE CYCLE #1: W Controlled
SRAM WRITE CYCLE #2: E Controlled
NO.
12
13
14
15
16
17
18
19
20
21
ADDRESS
DATA OUT
ADDRESS
DATA OUT
DATA IN
DATA IN
If W is low when E goes low, the outputs remain in the high-impedance state.
E or W must be ≥ V
t
t
t
t
t
t
t
t
t
t
AVAV
WLWH
ELWH
DVWH
WHDX
AVWH
AVWL
WHAX
WLQZ
WHQX
W
#1
E
W
E
h, i
SYMBOLS
t
t
t
t
t
t
t
t
AVAV
WLEH
ELEH
DVEH
EHDX
AVEH
AVEL
EHAX
#2
IH
t
AVWL
18
during address transitions.
t
AVEL
18
PREVIOUS DATA
t
t
t
t
t
t
Alt.
t
t
t
t
WC
CW
DW
WR
OW
WP
DH
AW
WZ
AS
Write Cycle Time
Write Pulse Width
Chip Enable to End of Write
Data Set-up to End of Write
Data Hold after End of Write
Address Set-up to End of Write
Address Set-up to Start of Write
Address Hold after End of Write
Write Enable to Output Disable
Output Active after End of Write
t
t
WLQZ
AVEH
17
20
t
AVWH
17
t
WLWH
13
t
ELWH
j
14
j
t
t
AVAV
AVAV
12
12
HIGH IMPEDANCE
t
ELEH
4
PARAMETER
14
t
WLEH
13
HIGH IMPEDANCE
t
DVWH
15
Document Control # ML0019 rev 0.2
t
DVEH
15
DATA VALID
DATA VALID
t
WHDX
t
WHAX
16
t
19
t
EHDX
EHAX
16
19
t
WHQX
21
(V
STK16C88-3-35
MIN
35
25
25
12
25
0
0
0
5
CC
= 3.0V-3.6V)
MAX
13
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns