74HC137D NXP Semiconductors, 74HC137D Datasheet - Page 13

• Manufacturer Part Number: 74HC137D
• Description: Latch/Decoder/Demultiplexer Single 3-to-8 16-Pin SO Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HC137D

• Package: 16SO
• Logic Function: Latch/Decoder/Demultiplexer
• Logic Family: HC
• Number Of Element Inputs: 3
• Number Of Element Outputs: 8
• Number Of Input Enables Per Element: 1
• Number Of Output Enables Per Element: 2
• Demultiplexing Capability: 1-of-8
• Fabrication Technology: CMOS
• Typical Operating Supply Voltage: 5 V
• Operating Temperature: -40 to 125 °C

Philips Semiconductors
13. Application information
9397 750 13804
Product data sheet
Fig 10. 6-to-64 line decoder with input address storage
decoder enable
address
input
strobe
X0
X1
X2
X3
X4
X5
LE
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
0
1
Table 9:
A2 A1 A0
Supply
V
2.0 V
4.5 V
6.0 V
5.0 V
Fig 9. Load circuitry for switching times
CC
2
LE
Y0
outputs
137
0
3
Y1 Y2 Y3 Y4 Y5 Y6 Y7
1
4
Test data is given in
Definitions for test circuit:
R
C
A2 A1 A0
T
L
Test data
2
5
= Termination resistance should be equal to output impedance Z
= Load capacitance including jig and probe capacitance.
E1 E2
137
3
6
4
7
3-to-8 line decoder, demultiplexer with address latches; inverting
5
Rev. 03 — 11 November 2004
E1 E2
LE
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
Input
V
V
V
V
V
6
I
CC
CC
CC
CC
8
GENERATOR
Table
7
PULSE
9
A2 A1 A0
9.
10 11 12 13 14 15
outputs
137
V
I
E1 E2
R
T
t
6 ns
6 ns
6 ns
6 ns
r
, t
D.U.T.
V
f
CC
LE
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
16
V
O
17 18 19 20 21 22 23
A2 A1 A0
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
C
outputs
mna101
L
137
o
of the pulse generator.
Load
C
50 pF
50 pF
50 pF
15 pF
L
E1 E2
74HC137
001aab885
to five
other
decoders
13 of 19