edi816256ca White Electronic Designs Corporation, edi816256ca Datasheet - Page 4

• Manufacturer Part Number: edi816256ca
• Description: 256kx16 Monolithic Sram, 5962-96795
• Manufacturer: White Electronic Designs Corporation

August 2004
Rev. 8
DATA OUT
ADDRESS
LB#, UB#
ADDRESS
DATA IN
DATA I/O
WE#
CS#
WRITE CYCLE - CS# CONTROLLED
White Electronic Designs
t
AVEL
WRITE CYCLE 2, CS# CONTROLLED
READ CYCLE 1 (WE# HIGH; OE#, CS# LOW)
t
ADDRESS 1
AVQV
t
AVAV
t
AVEH
HIGH
t
t
t
t
UBLUBH
t
LBLLBH
WLEH
AVAV
ELEH
DATA OUT
DATA 1
ADDRESS
t
LB#, UB#
DATA IN
DVEH
t
ADDRESS 2
AVQX
DATA VALID
WRITE CYCLE – WE# CONTROLLED
WE#
TIMING WAVEFORM – READ CYCLE
CS#
t
t
EHAX
EHDX
t
DATA 2
AVWL
WRITE CYCLE 1, WE# CONTROLLED
t
AVWH
t
4
WLQZ
t
t
UBLUBH
LBLLBH
t
ADDRESS
t
ELWH
AVAV
DATA I/O
LB#, UB#
t
WLWH
OE#
CS#
WRITE CYCLE - LB#, UB# CONTROLLED
DATA OUT
ADDRESS
LB#, UB#
DATA IN
t
DVWH
HIGH
White Electronic Designs Corporation • [phone] • www.wedc.com
WE#
DATA VALID
CS#
t
WHQX
HIGH Z
t
t
WHAX
WHDX
t
AVUBL
WRITE CYCLE 3, LB#, UB# CONTROLLED
t
READ CYCLE 2 (WE# HIGH)
ELQX
t
t
DATA UNDEFINED
UBLQX
t
LBLQX
GLQX
t
t
t
ELQV
GLQV
AVQV
t
t
UBLQV
LBLQV
t
t
AVUBH
AVWH
t
WLQX
t
t
AVAV
t
UBLUBH
AVAV
EDI816256CA
t
WLWH
t
DVWH
HIGH Z
DATA VALID
t
t
UBHQZ
t
LBHQZ
t
GHQZ
EHQZ
t
UBHAV
t
WHAV
t
WHDX