STC62WV51216 Datasheet, PDF (6/9 Pages) List of Unclassifed Manufacturers – Very Low Power/Voltage CMOS SRAM

STC
STC62WV51216
„ AC ELECTRICAL CHARACTERISTICS ( TA = -40 to + 85^oC )
WRITE CYCLE
JEDEC
PARAMETER
NAME
PARAMETER
NAME
DESCRIPTION
CYCLE TIME : 70ns CYCLE TIME : 55ns
Vcc = 2.7~5.5V
Vcc = 3.0~5.5V
MIN. TYP. MAX. MIN. TYP. MAX.
t _AVAX
t_WC
Write Cycle Time
70 -- -- 55 -- --
t _E1LWH
t_CW
Chip Select to End of Write
70 -- -- 55 -- --
t _AVWL
t _AS
Address Setup Time
0 -- -- 0 -- --
t _AVWH
t _AW
Address Valid to End of Write
70 -- -- 55 -- --
t _WLWH
t_WP
Write Pulse Width
35 -- -- 30 -- --
t _WHAX
t_BW
t_WR
Write recovery Time
(CE,WE) 0 -- -- 0 -- --
t_BW⁽¹⁾
Date Byte Control to End of Write (LB,UB) 30 --
-- 25 --
--
t _WLQZ
t_WHZ
Write to Output in High Z
-- -- 30 -- -- 25
t _DVWH
t_DW
Data to Write Time Overlap
30 -- -- 25 -- --
t _WHDX
t_DH
Data Hold from Write Time
0 -- -- 0 -- --
t _GHQZ
t_OHZ
Output Disable to Output in High Z
-- -- 30 -- -- 25
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t _WHOX
t_OW
End of Write to Output Active
5 -- -- 5 -- --
ns
NOTE :
1. tBW is 30ns/25ns (@speed=70ns/55ns) with address toggle. ; tBW is 70ns/55ns (@speed=70ns/55ns) without address toggle.
„ SWITCHING WAVEFORMS (WRITE CYCLE)
WRITE CYCLE1 ⁽¹⁾
ADDRESS
OE
t WC
(3)
t WR
(11)
t CW
(5)
CE
LB,UB
WE
D _OUT
t AS
(4,10)
t OHZ
(5)
t AW
t BW
t WP
(2)
t DW
(3)
t DH
D _IN
R0201-STC62WV51216
6
Revision 2.1
Jan. 2004