STK11C48(2002) 데이터 시트보기 (PDF) - Simtek Corporation
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STK11C48 Datasheet PDF : 10 Pages
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STK11C48
SRAM WRITE CYCLES #1 & #2
SYMBOLS
NO.
#1
#2
Alt.
PARAMETER
12
tAVAV
13 tWLWH
14 tELWH
15 tDVWH
16 tWHDX
17 tAVWH
18 tAVWL
19 tWHAX
20 tWLQZh, i
21 tWHQX
tAVAV
tWLEH
tELEH
tDVEH
tEHDX
tAVEH
tAVEL
tEHAX
tWC Write Cycle Time
tWP Write Pulse Width
tCW Chip Enable to End of Write
tDW Data Set-up to End of Write
tDH Data Hold after End of Write
tAW Address Set-up to End of Write
tAS Address Set-up to Start of Write
tWR Address Hold after End of Write
tWZ Write Enable to Output Disable
tOW Output Active after End of Write
Note i: If W is low when E goes low, the outputs remain in the high-impedance state.
Note j: E or W must be ≥ VIH during address transitions.
SRAM WRITE CYCLE #1: W Controlledj
ADDRESS
12
tAVAV
14
tELWH
E
(VCC = 5.0V + 10%)
STK11C48-25 STK11C48-35 STK11C48-45
UNITS
MIN MAX MIN MAX MIN MAX
25
35
45
ns
20
25
30
ns
20
25
30
ns
10
12
15
ns
0
0
0
ns
20
25
30
ns
0
0
0
ns
0
0
0
ns
10
13
15
ns
5
5
5
ns
19
tWHAX
W
DATA IN
DATA OUT
18
tAVWL
17
tAVWH
13
tWLWH
20
tWLQZ
PREVIOUS DATA
15
tDVWH
DATA VALID
HIGH IMPEDANCE
16
tWHDX
21
tWHQX
SRAM WRITE CYCLE #2: E Controlledj
ADDRESS
E
18
tAVEL
12
tAVAV
14
tELEH
19
tEHAX
W
DATA IN
DATA OUT
December 2002
17
tAVEH
13
tWLEH
15
tDVEH
DATA VALID
HIGH IMPEDANCE
16
tEHDX
4 Document Control # ML0003 rev 0.0
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