STC62WV2568 STC, STC62WV2568 Datasheet - Page 6

• Manufacturer Part Number: STC62WV2568
• Description: Very Low Power/Voltage CMOS SRAM 256K X 8 bit
• Manufacturer: STC

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STC62WV2568
PARAMETER
AC ELECTRICAL CHARACTERISTICS
SWITCHING WAVEFORMS (WRITE CYCLE)
WRITE CYCLE1
WRITE CYCLE
JEDEC
NAME
t
t
t
t
t
t
t
t
t
t
t
t
E1LWH
WLWH
WHAX
E2LAX
WLQZ
DVWH
WHDX
GHQZ
WHOX
AVAX
AVWL
AVWH
ADDRESS
OE
CE1
CE2
WE
D
D
STC
IN
OUT
PARAMETER
(1)
NAME
t
t
t
t
t
t
t
t
t
t
t
t
WC
CW
AS
AW
WP
WR1
WR2
WHZ
DW
DH
OHZ
OW
Write Cycle Time
Chip Select to End of Write
Address Setup Time
Address Valid to End of Write
Write Pulse Width
Write recovery Time
Write recovery Time
Write to Output in High Z
Data to Write Time Overlap
Data Hold from Write Time
Output Disable to Output in High Z
End of Write to Output Active
t
(4,10)
AS
t
OHZ
DESCRIPTION
DataSheet4U.com
( TA = -40
(5)
(5)
t
AW
6
(CE1,WE)
o
C to + 85
(CE2)
t
t
t
t
WC
CW
CW
WP
(11)
(11)
(2)
o
C )
CYCLE TIME : 55ns
55
55
55
30
25
0
5
MIN. TYP. MAX.
0
0
--
0
--
(Vcc = 3.0~5.5V)
t
DW
--
--
--
--
--
--
--
--
--
--
--
--
t
t
t
WR2
WR1
DH
25
25
--
--
--
--
--
--
--
--
--
--
(3)
STC62WV2568
(3)
CYCLE TIME : 70ns
70
70
70
35
30
MIN. TYP. MAX.
0
0
0
--
0
--
5
(Vcc = 2.7~5.5V)
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Revision 1.1
30
30
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--
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Jan.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2004