HM628512BLPI-7 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HM628512BLPI-7

4 M SRAM (512-kword × 8-bit)

Hitachi -> Renesas Electronics 

HM628512BI Series

AC Characteristics (Ta = –40 to +85°C, VCC = 5 V ± 10%, unless otherwise noted.)

Test Conditions

• Input pulse levels: 0.5 V to 2.5 V

• Input rise and fall time: 5 ns

• Input and output timing reference levels: 1.5 V

• Output load: 1 TTL Gate + CL (100 pF) (Including scope and jig)

Read Cycle

HM628512BI

-7

-8

Parameter

Symbol Min Max Min Max Unit Notes

Read cycle time

t RC

Address access time

t AA

Chip select access time

t CO

Output enable to output valid

t OE

Chip selection to output in low-Z

t LZ

Output enable to output in low-Z

t OLZ

Chip deselection to output in high-Z tHZ

Output disable to output in high-Z

t OHZ

Output hold from address change

t OH

70

—

85

—

ns

—

70

—

85

ns

—

70

—

85

ns

—

35

—

45

ns

10

—

10

—

ns

2

5

—

5

—

ns

2

0

25

0

30

ns

1, 2

0

25

0

30

ns

1, 2

10

—

10

—

ns

7

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