STK14CA8-N25I ETC [List of Unclassifed Manufacturers], STK14CA8-N25I Datasheet - Page 6

• Manufacturer Part Number: STK14CA8-N25I
• Description: 128K x 8 AutoStoreTM nvSRAM QuantumTrapTM CMOS Nonvolatile Static RAM
• Manufacturer: ETC [List of Unclassifed Manufacturers]

STK14CA8
December 2004
Notes
SRAM WRITE CYCLE #1: W Controlled
SRAM WRITE CYCLE #2: E Controlled
SRAM WRITE CYCLES #1 & #2
NO.
12
13
14
15
16
17
18
19
20
21
g: If W
h: E
DATA OUT
or W
ADDRESS
ADDRESS
DATA OUT
t
t
t
t
t
t
t
t
t
t
DATA IN
WLWH
WLQZ
WHQX
is low when E goes low, the outputs remain in the high-impedance state.
ELWH
DVWH
WHDX
AVWH
WHAX
DATA IN
AVAV
AVWL
#1
e,g
must be ≥ V
W
E
W
E
SYMBOLS
t
t
t
t
t
t
t
t
WLEH
AVAV
ELEH
DVEH
EHDX
AVEH
EHAX
AVEL
#2
IH
during address transitions.
t
t
Alt.
t
t
t
t
t
t
t
t
AVEL
t
t
AVWL
18
WC
WR
OW
18
WP
CW
DW
AW
WZ
DH
AS
PREVIOUS DATA
Write Cycle Time
Write Pulse Width
Write Enable to Output Disable
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
Output Active after End of Write
PARAMETER
t
AVEH
17
t
WLQZ
20
t
AVWH
17
h,f
t
h,f
WLEH
13
t
ELWH
14
t
WLWH
t
ELEH
13
14
t
HIGH IMPEDANCE
AVAV
12
t
AVAV
12
6
STK14CA8-25
MIN
25
20
20
10
20
0
0
0
3
HIGH IMPEDANCE
t
DVEH
15
t
DVWH
15
DATA VALID
Document Control #ML0022 rev 1.0
MAX
10
DATA VALID
STK14CA8-35
MIN
35
25
25
12
25
0
0
0
3
MAX
t
WHDX
t
13
WHAX
16
19
t
t
EHDX
EHAX
16
19
t
WHQX
21
STK14CA8-45
MIN
45
30
30
15
30
0
0
0
3
MAX
15
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns