HM628128ALFP-7SL datasheet(7/13 Pages) HITACHI

7 / 13 page

AC Characteristics (Ta = 0 to +70°C, VCC = 5 V ± 10%, unless otherwise noted.)

Test Conditions

• Input pulse levels: 0.8 V to 2.4 V (HM628128A-7/8/10)

0 V to 3 V (HM628128A-5)

• Input rise and fall times: 5 ns

• Input and output timing reference levels: 1.5 V

• Output load: 1 TTL Gate and CL (100 pF) (HM628128A-7/8/10)

1 TTL Gate and CL (30 pF) (HM628128A-5) (Including scope & jig)

Read Cycle

HM628128A

-5

-7

-8

-10

Parameter

Symbol

Min

Max

Min

Max

Min

Max

Min

Max

Unit

Notes

Read cycle time

tRC

—

100

—

Address access time

tAA

—

100

Chip selection to

tCO1

—

100

output valid

tCO2

—

100

Output enable to

tOE

—

output valid

Chip selection to

tLZ1

—

2, 3

output in low-Z

tLZ2

—

2, 3

Output enable to

tOLZ

—

2, 3

output in low-Z

Chip deselection to

tHZ1

1, 2, 3

output in high-Z

tHZ2

1, 2, 3

Output disable to

tOHZ

1, 2, 3

output in high-Z

Output hold from

tOH

—

address change

HM628128A Series

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