74HCT1284D datasheet(6/12 Pages) PHILIPS

부품명	74HCT1284D

상세설명	Parallel printer interface transceiver/buffer

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제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

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Philips Semiconductors

Product specification

74HCT1284

Parallel printer interface transceiver/buffer

1998 Jul 10

6

TEST CIRCUITS AND WAVEFORM

D.U.T

VCC

IO

VOH/2

VOH is the voltage when 10µA is drawn from the high output.

IO is measured by forcing VOH/2 on the output. RD can then

be calculated using the equation RD = |VOH/2IO| .

SK00007

Figure 1. Output Impedance RD

PULSE

GENERATOR

RT

VIN

D.U.T

VOUT

50pF

VCC

Test Circuit for Bn or Yn Outputs

SWITCH POSITION

Bn or Yn Outputs

TEST

SWITCH

tPLH

GND

tPHL

VCC

tPZH

GND

tPHZ

GND

tPZL

VCC

tPLZ

VCC

35

W

S1

GND

VCC

62

W

PULSE

GENERATOR

RT

VIN

D.U.T

VOUT

CL

RL

VCC

Test Circuit for An Outputs

VM

tW

AMP (V)

NEGATIVE

PULSE

10%

90%

0V

VM

tW

AMP (V)

POSITIVE

PULSE

90%

10%

0V

tTHL (tf)

tTLH (tr)tTHL (tf)

tTLH (tr)

VM = 1.5V

Input Pulse Definition

DEFINITIONS

RL = Load resistor; see AC CHARACTERISTICS for value.

CL = Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

RT = Termination resistance should be equal to ZOUT of

pulse generators.

INPUT PULSE REQUIREMENTS

FAMILY

Amplitude

Rep. Rate

tW

tr

tf

74HCT

3.0V

1MHz

500ns

3ns

SK00008

유사한 부품 번호 - 74HCT1284D

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유사한 설명 - 74HCT1284D

제조업체	부품명	데이터시트	상세설명
NXP Semiconductors	74LVC1284	100Kb / 10P	3.3V Parallel printer interface transceiver/buffer 1995 Nov 10
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74HCT1284D 데이터시트(PDF) 6 Page - NXP Semiconductors

74HCT1284D 데이터시트(HTML) 6 Page - NXP Semiconductors

유사한 부품 번호 - 74HCT1284D

유사한 설명 - 74HCT1284D

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