74HCT238DB,112 NXP Semiconductors, 74HCT238DB,112 Datasheet - Page 10

• Manufacturer Part Number: 74HCT238DB,112
• Description: IC 3-8 LINE DECODER/DEMUX 16SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr
• Type: Decoder/Demultiplexerr

Specifications of 74HCT238DB,112

• Package / Case: 16-SSOP
• Circuit: 1 x 3:8
• Independent Circuits: 1
• Voltage Supply Source: Single Supply
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Logic Family: 74HCT
• Number Of Lines (input / Output): 4.0 / 1.0
• Propagation Delay Time: 240 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Input Lines: 4.0
• Number Of Output Lines: 1.0
• Power Dissipation: 500 mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output High, Low: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-2805-5; 935189260112

NXP Semiconductors
Table 9.
74HC_HCT238_3
Product data sheet
Type
74HC238
74HCT238
Fig 8. Load circuit for measuring switching times
Test data is given in
Definitions for test circuit:
R
C
R
S1 = Test selection switch
T
L
L
Test data
= Load capacitance including jig and probe capacitance.
= Load resistance.
= Termination resistance should be equal to output impedance Z
Table
Input
V
V
3 V
I
CC
GENERATOR
9.
PULSE
negative
positive
pulse
pulse
0 V
0 V
V
V
I
I
90 %
10 %
t
6 ns
6 ns
r
, t
V I
f
t
t
Rev. 03 — 16 July 2007
r
f
V
V
M
M
R T
10 %
90 %
DUT
V
CC
Load
C
15 pF, 50 pF
15 pF, 50 pF
L
t
t
W
W
V O
o
of the pulse generator.
V
V
74HC238; 74HCT238
M
M
C L
t
t
r
f
R L
S1
3-to-8 line decoder/demultiplexer
001aad983
R
1 k
1 k
V
L
CC
open
© NXP B.V. 2007. All rights reserved.
S1 position
t
open
open
PHL
, t
PLH
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