ꢀ
ꢀ
ꢁ
ꢁ
ꢂ
ꢅ
ꢃ
ꢄ
ꢃ
ꢃ
ꢅ
ꢅ
ꢆ
ꢆ
ꢀꢁ ꢂ ꢃꢄ ꢃ ꢇ ꢆ ꢀ ꢁꢂ ꢃ ꢈꢀ ꢄ ꢃꢅ ꢆ ꢀ ꢁꢂ ꢃ ꢈ ꢀꢄ ꢃ ꢇ
ꢀꢁ ꢅ ꢃꢄꢃ ꢇ ꢉꢊ ꢋ ꢌꢍ ꢍꢎ ꢅ ꢏꢆ ꢀ ꢁꢅ ꢃ ꢈꢀ ꢄꢃ ꢅ ꢆ ꢀꢁꢅ ꢃ ꢈ ꢀꢄ ꢃ ꢇ
ꢃ
ꢄ
ꢄ
ꢎ
ꢐ
ꢈ
ꢋ
ꢁ
ꢑ
ꢊ
ꢒ
ꢃ
ꢐ
ꢈ
ꢋ
ꢁ
ꢑ
ꢓ
ꢁ
ꢔ
ꢇ
ꢐ
ꢈ
ꢋ
ꢁ
ꢑ
ꢊ ꢒ
ꢕ
ꢐ
ꢈꢋ
ꢁ
ꢑ
ꢖ
ꢗ
ꢋ
ꢒ
ꢗ
ꢋ
ꢊ
ꢘ
ꢑ
ꢁ
ꢙ
ꢒ
ꢔ
ꢑ
ꢗ
ꢀ
SDLS053B − OCTOBER 1976 − REVISED MAY 2004
schematics of inputs and outputs
’147, ’148
EQUIVALENT OF EACH INPUT
CC
TYPICAL OF ALL OUTPUTS
V
V
CC
ꢀ ꢁ Ω NOM
R
eq
Input
Output
0 input (’148): R = 2 kΩ NOM
eq
All other inputs: R = 4 kΩ NOM
eq
’LS147, ’LS148
TYPICAL OF ALL OUTPUTS
EQUIVALENT OF ALL INPUTS
V
CC
V
CC
120 Ω NOM
R
eq
Input
Output
’LS148 inputs 1–7: R = 9 kΩ NOM
eq
All other inputs: R = 18 kΩ NOM
eq
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
