ITT - Index of

ITT54155, ITT54156, ITT74155, ITT74156
DUAL 2~LlNE-TO-4-LlNE DECODERS/DEMULTIPLEXERS
SWITCHING CHARACTERISTICS. Vce = 5V. TA = 25°C. N = 10
From To Levels
Parameter 1 (Input) (Output) of Logic
ITT54155.ITT74155 ITT54155.ITT74155
Min Typ Max Min Typ Max Unit
Test
Conditions
tpLH A.B.2C. Z 2
lG.or2G
13 20
15
. 23
ns
CL = 15pF •
RL = 4000
tpHL A.B.2C. Z 2
lG.or2.G
18 27
20
30
ns
CL = 15pF.
RL = 4000
tpLH AorB Z 3
21 32
23
34
ns
CL = 15pF.
RL = 4000
tpHL AorB Z 3
21 32
23
34
ns
CL = 15 pF.
RL = 4000
tpLH lC Z. 3
16 24
18
27
ns
CL = 15pF.
RL = 4000
tpHL lC Z 3
20 30
22
33
ns
CL = 15pF.
RL = 4000
, tpLH = propagation delay time. low-to-high-Ievel output
tpHL = propagation delay time. high-to-Iow-Ievel output
schematic
4
kn
1.6
kn
FROM {
INPUT
GATES
FROM {
INPUT !..
GATES --
OUTPUT
-r
OUTPUT GATE FOR 54155. 74155
(ONE OF EIGHT SHOWN)
OUTPUT GATE FOR 54156.74156
(ONE OF EIGHT SHOWN)
3-191