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