82C37 datasheet(21/23 Pages) INTERSIL

Part #	82C37

Description	CMOS High Performance Programmable DMA Controller

PDF	23 Pages

Scroll/Zoom	100%

Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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21 / 23 page

4-212

82C37A

AC Test Circuits

AC Testing Input, Output Waveforms

FIGURE 13. COMPRESSED TRANSFER

FIGURE 14. RESET

Timing Waveforms (Continued)

CLK

(10)

TASM

(15)

TDCL

TRLRHC

(40)

TDCTR

(16)

TDCL

(15)

(10)

TASM

TDCTR

(16)

TDCTW

(17)

TRH (31)

TRS (32)

TRH (31)

TDCTW

(17)

A0-A7

READ

WRITE

READY

VALID

(48) TRSTD

(50) TRSTW

(49) TRSTS

IOR OR IOW

RESET

VCC

TEST CONDITION DEFINITION TABLE

PINS

All Outputs Except EOP

1.7V

520

Ω

100pF

EOP

VCC

1.6k

Ω

50pF

TEST POINT

C1 (NOTE)

OUTPUT FROM

DEVICE UNDER

TEST

NOTE:

Includes STRAY and FIXTURE Capacitance

NOTE:

AC Testing: All AC Parameters tested as per test circuits.

Input RISE and FALL times are driven at Ins/V. CLK input

must switch between VIHC +0.4V and VILC -0.4V

VOH

VO -0.45

0.45

VOL

OUTPUT

L OR H

→ Z

VOH

2.0V

0.8V

VOL

INPUT

→ L OR H

VIH + 0.4V

VIL - 0.4V

1.5V

VOH

VOL

OUTPUT

82C37 Datasheet(PDF) 21 Page - Intersil Corporation

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