CY7C1041CV33_06 Datasheet, PDF (8/12 Pages) Cypress Semiconductor – 4-Mbit (256K x 16) Static RAM

Switching Waveforms (continued)
Write Cycle No. 2 (WE Controlled, OE LOW)
t_WC
ADDRESS
CY7C1041CV33
CE
t_SCE
t_AW
t_SA
t_HA
t_PWE
WE
t_BW
BHE, BLE
DATA I/O
Truth Table
CE OE WE BLE
HXX X
L LH L
L LH L
L LH H
L XL L
L XL L
L XL H
L HH X
BHE
I/O₀–I/O₇
X High-Z
L Data Out
H Data Out
L High-Z
L Data In
H Data In
L High-Z
X High-Z
t_HZWE
t_SD
t_HD
t_LZWE
I/O₈–I/O₁₅
High-Z
Data Out
High-Z
Data Out
Data In
High-Z
Data In
High-Z
Mode
Power-down
Read All Bits
Read Lower Bits Only
Read Upper Bits Only
Write All Bits
Write Lower Bits Only
Write Upper Bits Only
Selected, Outputs Disabled
Power
Standby (I_SB)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Document #: 38-05134 Rev. *H
Page 8 of 12
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