HM62W16258B datasheet(9/18 Pages) RENESAS

Part #	HM62W16258B

Description	4 M SRAM (256-kword 쨈 16-bit)

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Manufacturer	RENESAS [Renesas Technology Corp]

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HM62W16258B Series

7

AC Characteristics (Ta = 0 to +70

°C, V

CC = 3.3 V ± 0.3 V, unless otherwise noted.)

Test Conditions

•

Input pulse levels: V

IL = 0.4 V, VIH = 2.4 V

•

Input rise and fall time: 5 ns

•

Input timing reference levels: 1.4 V

•

Output timing reference levels: 1.4 V/1.4 V (HM62W16258B-5)

: 2.0 V/0.8 V (HM62W16258B-7)

•

Output load (Including scope and jig)

,,

1.4 V

50 pF

500

Ω

Dout

Read Cycle

HM62W16258B

-5

-7

Parameter

Symbol

Min

Max

Min

Max

Unit

Notes

Read cycle time

t

RC

55

—

70

—

ns

Address access time

t

AA

—

55

—

70

ns

Chip select access time

t

ACS

—

55

—

70

ns

Output enable to output valid

t

OE

—

35

—

40

ns

Output hold from address change

t

OH

10

—

10

—

ns

LB, UB access time

t

BA

—

55

—

70

ns

Chip select to output in low-Z

t

CLZ

10

—

10

—

ns

2, 3

LB, UB enable to low-z

t

BLZ

5

—

5

—

ns

2, 3

Output enable to output in low-Z

t

OLZ

5

—

5

—

ns

2, 3

Chip deselect to output in high-Z

t

CHZ

0

20

0

25

ns

1, 2, 3

LB, UB disable to high-Z

t

BHZ

0

20

0

25

ns

1, 2, 3

Output disable to output in high-Z

t

OHZ

0

20

0

25

ns

1, 2, 3

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Hitachi Semiconductor	HM62W16258B	76Kb / 16P	4 M SRAM (256-kword x 16-bit)
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HM62W16258B Datasheet(PDF) 9 Page - Renesas Technology Corp

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