HM628128A Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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componentes Descripción

Fabricante

HM628128A

131,072-word × 8-bit High Speed CMOS Static RAM

Hitachi -> Renesas Electronics 

HM628128A Series

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

Parameter

Read cycle time

Address access time

Chip selection to

output valid

Output enable to

output valid

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

Output hold from

address change

HM628128A

-5

-7

Symbol Min Max Min

tRC

tAA

tCO1

tCO2

tOE

55 — 70

— 55 —

— 55 —

— 55 —

— 30 —

-8

Max Min

— 85

70 —

70 —

70 —

35 —

-10

Max Min

— 100

85 —

85 —

85 —

45 —

Max Unit Notes

— ns

100 ns

100 ns

100 ns

50 ns

tLZ1

5

— 10 — 10 — 10 — ns 2, 3

tLZ2

5

— 10 — 10 — 10 — ns 2, 3

tOLZ

5

—5

—5

—5

— ns 2, 3

tHZ1

tHZ2

tOHZ

0

20 0

0

20 0

0

20 0

25 0

25 0

25 0

30 0

30 0

30 0

35 ns 1, 2, 3

35 ns 1, 2, 3

35 ns 1, 2, 3

tOH

5

— 10 — 10 — 10 — ns

7

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