STC62WV2568 Datasheet, PDF (6/9 Pages) List of Unclassifed Manufacturers – Very Low Power/Voltage CMOS SRAM 256K X 8 bit

STC
STC62WV2568
„ AC ELECTRICAL CHARACTERISTICS ( TA = -40^oC to + 85^oC )
WRITE CYCLE
JEDEC
PARAMETER
NAME
t_AVAX
t
E1LWH
t
AVWL
t_AVWH
t_WLWH
t
WHAX
t_E2LAX
t_WLQZ
t_DVWH
t_WHDX
t_GHQZ
t_WHOX
PARAMETER
NAME
t_WC
t_CW
t_AS
t_AW
t_WP
t_WR1
t_WR2
t_WHZ
t_DW
t_DH
t_OHZ
t_OW
DESCRIPTION
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
(CE1,WE)
(CE2)
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
CYCLE TIME : 55ns
(Vcc = 3.0~5.5V)
MIN. TYP. MAX.
55 --
--
55 --
--
0
--
--
55 --
--
30 --
--
0
--
--
0
--
--
-- -- 25
25 --
--
0
--
--
-- -- 25
5
--
--
CYCLE TIME : 70ns
(Vcc = 2.7~5.5V)
MIN. TYP. MAX.
70 --
--
70 --
--
0
--
--
70 --
--
35 --
--
0
--
--
0
--
--
--
--
30
30 --
--
0
--
--
--
--
30
5
--
--
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
„ SWITCHING WAVEFORMS (WRITE CYCLE)
WRITE CYCLE1 ⁽¹⁾
t WC
ADDRESS
OE
CE1
(11)
t CW
(5)
(3)
t WR1
CE2
WE
D _OUT
D _IN
STC62WV2568
t AS
(4,10)
t OHZ
(5)
t AW
(11)
t CW
t WP
(2)
t WR2
(3)
t DH
t DW
6
Revision 1.1
Jan. 2004