CS82C237 datasheet(24/25 Pages) INTERSIL

Part #	CS82C237

Description	CMOS High Performance Programmable DMA Controller

PDF	25 Pages

Scroll/Zoom	100%

Manufacturer	INTERSIL [Intersil Corporation]

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

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24 / 25 page

4-171

82C237

AC Test Circuits

AC Testing Input, Output Waveforms

FIGURE 15. COMPRESSED TRANSFER

FIGURE 16. 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*

OUTPUT FROM

DEVICE UNDER

TEST

* Includes STRAY and FIXTURE Capacitance

NOTE: AC Testing: All AC Parameters tested as per test circuits. In-

put 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

CS82C237 Datasheet(PDF) 24 Page - Intersil Corporation

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