STC62WV2568 STC, STC62WV2568 Datasheet - Page 5

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

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STC62WV2568
READ CYCLE1
READ CYCLE2
READ CYCLE3
NOTES:
1. WE is high in read Cycle.
2. Device is continuously selected when CE1 = V
3. Address valid prior to or coincident with CE1 transition low and/or CE2 transition high.
4. OE = V
5. The parameter is guaranteed but not 100% tested.
SWITCHING WAVEFORMS (READ CYCLE)
ADDRESS
D
CE1
CE2
D
ADDRESS
OE
CE1
CE2
D
IL
STC
OUT
OUT
OUT
.
(1,2,4)
(1,3,4)
(1,4)
t
CLZ
t
(5)
IL
OH
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t
t
and CE2= V
ACS1
ACS2
t
t
CLZ1
CLZ2
t
(5)
(5)
AA
t
t
ACS2
ACS1
t
t
5
AA
IH.
OLZ
t
t
RC
t
OE
RC
STC62WV2568
t
CHZ1,
t
t
t
OHZ
CHZ1
CHZ2
(2,5)
(1,5)
t
t
(5)
t
(5)
CHZ2
OH
OH
Revision 1.1
Jan.
2004