Datasheet

   
    
        
SDLS053B − OCTOBER 1976 − REVISED MAY 2004
6
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
schematics of inputs and outputs
EQUIVALENT OF EACH INPUT
V
CC
Input
R
eq
0 input (’148): R
eq
= 2 k NOM
All other inputs: R
eq
= 4 k NOM
TYPICAL OF ALL OUTPUTS
V
CC
Output
’147, ’148
 NOM
EQUIVALENT OF ALL INPUTS
V
CC
Input
’LS147, ’LS148
TYPICAL OF ALL OUTPUTS
Output
V
CC
120 NOM
R
eq
’LS148 inputs 1–7: R
eq
= 9 k NOM
All other inputs: R
eq
= 18 k NOM