HM6207H Hitachi, HM6207H Datasheet - Page 7

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

Write Cycle
Parameter
Write cycle time
Chip selection to end of write
Address valid to end of write
Address setup time
Write pulse width
Write recovery time
Data valid to end of write
Data hold time
Write enabled to output in high-Z t
Output active from end of write
Note:
Write Timing Waveform (1) (
1. Transition is measured ± 200 mV from high-impedance voltage with Load (B).
Address
This parameter is sampled and is not 100% tested.
Dout
WE
Din
CS
t
AS
Symbol
t
t
t
t
t
t
t
t
t
WC
CW
AW
AS
WP
WR
DW
DH
WZ
OW
Controlled)
*1
*1
HM6207H-25
Min
25
20
20
0
20
3
15
0
0
0
t
AW
t
WZ
t
CW
t
WC
Max
—
—
—
—
—
—
—
—
15
—
t
Valid Data
DW
t
WP
High impedance
30
30
25
20
HM6207H-35
Min
35
0
3
0
0
0
Max
—
—
—
—
—
—
—
—
20
—
t
DH
t
t
WR
OW
HM6207H Series
HM6207H-45
Min
45
40
40
0
25
3
20
0
0
0
Max
—
—
—
—
—
—
—
—
25
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7