HM6207H Hitachi, HM6207H Datasheet - Page 8

• Manufacturer Part Number: HM6207H
• Description: 256K High Speed SRAM
• Manufacturer: Hitachi

HM6207H Series
Write Timing Waveform (2) (
8
Address
Notes: 1.
Dout
WE
Din
CS
2.
3.
4.
A write occurs during the overlap of a low CS and a low WE.
t
write cycle.
If the CS low transition occurs simultaneously with the WE low transition,
the output buffers remain in a high impedance state.
Dout has the same phase as write data in this write cycle, if t
WR
is measured from the earlier of CS or WE going high to the end of the
t
AS
Controlled)
Data undefined
t
AW
t
t
CW
WZ
t
WC
t
Valid Data
High impedance
WP
t
DW
t
DH
t
WR
WR
is long enough.