SN74LS147D datasheet(6/22 Pages) TI

Part #	SN74LS147D

Description	10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS

Download	22 Pages

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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SN54147, SN54148, SN54LS147, SN54LS148

SN74147, SN74148 (TIM9907), SN74LS147, SN74LS148

10LINE TO 4LINE AND 8LINE TO 3LINE PRIORITY ENCODERS

SDLS053B − OCTOBER 1976 − REVISED MAY 2004

6

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

schematics of inputs and outputs

EQUIVALENT OF EACH INPUT

VCC

Input

Req

0 input (’148): Req = 2 kΩ NOM

All other inputs: Req = 4 kΩ NOM

TYPICAL OF ALL OUTPUTS

VCC

Output

’147, ’148

85 Ω NOM

EQUIVALENT OF ALL INPUTS

VCC

Input

’LS147, ’LS148

TYPICAL OF ALL OUTPUTS

Output

VCC

120

Ω NOM

Req

’LS148 inputs 1–7: Req = 9 kΩ NOM

All other inputs: Req = 18 kΩ NOM

Similar Part No. - SN74LS147D

Manufacturer	Part #	Datasheet	Description
Motorola, Inc	SN74LS147D	231Kb / 7P	10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS
ON Semiconductor	SN74LS147D	134Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
Texas Instruments	SN74LS147DR	672Kb / 24P	[Old version datasheet] 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS

Manufacturer	Part #	Datasheet	Description
Texas Instruments	SN54147	672Kb / 24P	[Old version datasheet] 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS
Motorola, Inc	SN54LS147	231Kb / 7P	10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS
Texas Instruments	SN54LS148	556Kb / 20P	[Old version datasheet] 10 LINE TO 4 LINE AND 8 LINE TO 3 LINE PRIORITY ENCODERS
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Texas Instruments	SN54LS348	192Kb / 5P	[Old version datasheet] 8-LINE TO 3-LINE PRIORITY ENCODERS WITH 3-STATE OUTPUTS
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