HM628128DI Series
AC Characteristics (Ta = –40 to +85°C, VCC = 5.0 V ± 10%, unless otherwise noted.)
Test Conditions
• Input pulse levels: VIL = 0.6 V, VIH = 2.4 V
• Input rise and fall time: 5 ns
• Input timing reference levels: 1.5 V
• Output timing reference level: 1.5 V
• Output load:1 TTL Gate+ CL (100 pF) (Including scope and jig)
Read Cycle
Parameter
Read cycle time
Address access time
Chip select access time
Output enable to output valid
Output hold from address change
Chip selection to output in low-Z
Output enable to output in low-Z
Chip deselection to output in high-Z
Output disable to output in high-Z
Symbol
t RC
t AA
t ACS1
t ACS2
t OE
t OH
t C LZ1
t CLZ2
t OLZ
t CHZ1
t CHZ2
t OHZ
HM628128DI
-7
Min
Max
70
—
—
70
—
70
—
70
—
35
10
—
10
—
10
—
5
—
0
25
0
25
0
25
Unit
Notes
ns
ns
ns
ns
ns
ns
ns
2, 3
ns
2, 3
ns
2, 3
ns
1, 2, 3
ns
1, 2, 3
ns
1, 2, 3
7