HS-82C55ARH 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

比赛名单

HS-82C55ARH

Radiation Hardened CMOS Programmable Peripheral Interface

Intersil 

Functional Diagram

POWER

SUPPLIES

+5V

GND

HS-82C55ARH

GROUP A

CONTROL

GROUP A

PORT A

(8)

BIDIRECTIONAL

DATA BUS

D7 - D0

DATA

BUS

BUFFER

RD

WR

A1

A0

RESET

CS

READ/WRITE

CONTROL

LOGIC

8-BIT INTERNAL

DATA BUS

GROUP B

CONTROL

GROUP A

PORT C

UPPER (4)

GROUP B

PORT C

LOWER (4)

GROUP B

PORT B

(8)

I/O

PA7 - PA0

I/O

PC7 - PC4

I/O

PC3 - PC0

I/O

PB7 - PB0

AC Test Circuit

FROM OUTPUT

UNDER TEST

V1

R1

R2

TEST

POINT

C1 (NOTE)

NOTE: Includes stray and jig capacitance.

TEST CONDITIONS DEFINITION TABLE

V1

R1

R2

C1

1.7V

523Ω

Open

150pF

AC Testing Input, Output Waveforms

INPUT

2.8V

0.4V

1.5V

1.5V

NOTE: AC Testing: All parameters tested as per test circuits. Input

rise and fall times are driven at 1V/ns.

3

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