HM62256ALP-10 datasheet(4/11 Pages) HITACHI

Part #	HM62256ALP-10

Description	32,768-word x 8-bit High Speed CMOS Static RAM

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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Function Table

WE

CS

OE

Mode

VCC current

I/O pin

Ref. cycle

———————————————————————————————————————————————–

X

H

X

Not selected

ISB, ISB1

High-Z

—

———————————————————————————————————————————————–

H

L

H

Output disable

ICC

High-Z

—

———————————————————————————————————————————————–

H

L

Read

ICC

Dout

Read cycle (1)–(3)

———————————————————————————————————————————————–

L

H

Write

ICC

Din

Write cycle (1)

———————————————————————————————————————————————–

LLLWrite

ICC

Din

Write cycle (2)

———————————————————————————————————————————————–

Note:

X: H or L

Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

———————————————————————————————————————————————–

Voltage on any pin relative to VSS

VT

–0.5*1 to +7.0

V

———————————————————————————————————————————————–

Power dissipation

PT

1.0

W

———————————————————————————————————————————————–

Operating temperature

Topr

0 to +70

°C

———————————————————————————————————————————————–

Storage temperature

Tstg

–55 to +125

°C

———————————————————————————————————————————————–

Storage temperature under bias

Tbias

–10 to +85

°C

———————————————————————————————————————————————–

Note:

1. VT min = –3.0 V for pulse half-width ≤ 50 ns

Recommended DC Operating Conditions (Ta = 0 to +70°C)

Parameter

Symbol

Min

Typ

Max

Unit

———————————————————————————————————————————————–

Supply voltage

VCC

4.5

5.0

5.5

V

———————————————————————————————–

VSS

000V

———————————————————————————————————————————————–

Input high (logic 1) voltage

VIH

2.2

—

6.0

V

———————————————————————————————————————————————–

Input low (logic 0) voltage

VIL

–0.5*1

—

0.8

V

———————————————————————————————————————————————–

Note:

1. VIL min = –3.0 V for pulse half-width ≤ 50 ns

4

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HM62256ALP-10 Datasheet(PDF) 4 Page - Hitachi Semiconductor

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