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Revision 2.1
Jan.
2004
7
R0201-
STC62WV25616
SWITCHING WAVEFORMS (WRITE CYCLE)
STC
STC62WV25616
t WR
WRITE CYCLE1 (1)
t WC
(3)
t CW
(10)
t BW
(2)
t WP
t AW
t OHZ
(4,11)
t AS
(3)
t DH
t DW
D
IN
D
OUT
WE
LB,UB
CE
OE
ADDRESS
(5)
AC ELECTRICAL CHARACTERISTICS ( TA = -40 to + 85oC )
JEDEC
PARAMETER
NAME
PARAMETER
NAME
DESCRIPTION
(Vcc = 2.7~5.5V)
(Vcc = 3.0~5.5V)
UNIT
t
AVAX
t
WC
Write Cycle Time
70
--
--
55
--
--
ns
t
E1LWH
t
CW
Chip Select to End of Write
70
--
--
55
--
--
ns
t
AVWL
t
AS
Address Setup Time
0
--
--
0
--
--
ns
t
AVWH
t
AW
Address Valid to End of Write
70
--
--
55
--
--
ns
t
WLWH
t
WP
Write Pulse Width
35
--
--
30
--
--
ns
t
WHAX
t
WR
Write recovery Time
(CE,WE)
0
--
--
0
--
--
ns
t
BW
t
BW
Date Byte Control to End of Write
(LB,UB)
30
--
--
25
--
--
ns
t
WLQZ
t
WHZ
Write to Output in High Z
--
--
30
--
--
25
ns
t
DVWH
t
DW
Data to Write Time Overlap
30
--
--
25
--
--
ns
t
WHDX
t
DH
Data Hold from Write Time
0
--
--
0
--
--
ns
t
GHQZ
t
OHZ
Output Disable to Output in High Z
--
--
30
--
--
25
ns
t
WHOX
t
OW
End of Write to Output Active
5
--
--
5
--
--
ns
WRITE CYCLE
1. tBW is 30ns/25ns (@speed=70ns/55ns) with address toggle. ; tBW is 70ns/55ns (@speed=70ns/55ns) without address toggle.
(1)
NOTE :
MIN. TYP. MAX.
MIN. TYP. MAX.
CYCLE TIME : 70ns
CYCLE TIME : 55ns
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