74HCT139D NXP Semiconductors, 74HCT139D Datasheet - Page 6

• Manufacturer Part Number: 74HCT139D
• Description: Decoder/Demultiplexer Dual 2-to-4 16-Pin SO Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HCT139D

• Operating Temperature: -40 to 125 °C
• Package: 16SO
• Logic Function: Decoder/Demultiplexer
• Logic Family: HCT
• Number Of Element Outputs: 4
• Number Of Elements Per Chip: 2
• Number Of Input Enables Per Element: 1
• Demultiplexing Capability: 1-of-4
• Fabrication Technology: CMOS
• Typical Operating Supply Voltage: 5 V
• Applications: Code Conversion, Memory Decoding
• Logic Type: Decoder / Demultiplexer
• No. Of Outputs: 8
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: SOIC
• No. Of Pins: 16

Philips Semiconductors
DC CHARACTERISTICS FOR HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
September 1993
CC
SYMBOL PARAMETER
t
t
t
PHL
PHL
THL
Dual 2-to-4 line decoder/demultiplexer
INPUT
1A
2A
nE
category: MSI
/ t
/ t
/ t
n
n
TLH
PLH
PLH
propagation delay
propagation delay
output transition
time
f
nA
= t
nE to nY
CC
n
f
= 6 ns; C
to Y
per input, multiply this value by the unit load coefficient shown in the table below.
UNIT LOAD
0.70
0.70
1.35
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min.
COEFFICIENT
16
16
7
typ.
25
34
34
15
max.
CC
) for a unit load of 1 is given in the family specifications.
T
74HCT
amb
min.
6
40 to 85
( C)
43
43
19
max.
min.
40 to 125
51
51
22
max.
.
ns
ns
ns
UNIT
74HC/HCT139
4.5
4.5
4.5
V
TEST CONDITIONS
(V)
Product specification
CC
WAVEFORMS
Fig.6
Fig.7
Figs 6 and 7