HM6207H Hitachi, HM6207H Datasheet - Page 5

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

AC Characteristics (Ta = 0 to +70 C, V
Test Conditions
Read Cycle
Parameter
Read cycle time
Address access time
Chip select access time
Output hold from address change
Chip selection to output in low-Z
Chip deselection to output in high-Z
Note:
Input pulse levels: V
Input and output timing reference levels: 1.5 V
Input rise and fall time: 5 ns
Output load: See figures
1. Transition is measured ± 200 mV from steady-state voltage with Load (B).
These parameters are sampled and not 100% tested.
Dout
Note: 1. Including scope and jig
255
SS
to 3.0 V
Output load (A)
t
t
Symbol
t
t
t
t
+ 5 V
480
30 pF
RC
AA
ACS
OH
LZ
HZ
*1
*1
*1
CC
HM6207H-25
Min
25
—
—
5
5
0
= 5 V ± 10% unless otherwise noted)
Max
—
25
25
—
—
15
Dout
255
(t
HM6207H-35
Min
35
—
—
5
5
0
HZ
Output load (B)
, t
LZ
, t
Max
—
35
35
—
—
20
WZ,
and t
+ 5 V
480
5 pF
HM6207H Series
OW
HM6207H-45
Min
45
—
—
5
5
0
*1
)
Max
—
45
45
—
—
20
Unit
ns
ns
ns
ns
ns
ns
5