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CD74AC238 Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce CD74AC238
Description  3-LINE TO 8-LINE DECODER/DEMULTIPLEXER
Download  14 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

CD74AC238 Fiches technique(HTML) 4 Page - Texas Instruments

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CD74AC238
3-LINE TO 8-LINE DECODER/DEMULTIPLEXER
SCHS331 – FEBRUARY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
CC
MIN
MAX
MIN
MAX
MIN
MAX
1.5 V
1.4
1.4
1.4
IOH = –50 µA
3 V
2.9
2.9
2.9
4.5 V
4.4
4.4
4.4
VOH
VI = VIH or VIL
IOH = –4 mA
3 V
2.58
2.4
2.48
V
IOH = –24 mA
4.5 V
3.94
3.7
3.8
IOH = –50 mA†
5.5 V
3.85
IOH = –75 mA†
5.5 V
3.85
1.5 V
0.1
0.1
0.1
IOL = 50 µA
3 V
0.1
0.1
0.1
4.5 V
0.1
0.1
0.1
VOL
VI = VIH or VIL
IOL = 12 mA
3 V
0.36
0.5
0.44
V
IOL = 24 mA
4.5 V
0.36
0.5
0.44
IOL = 50 mA†
5.5 V
1.65
IOL = 75 mA†
5.5 V
1.65
II
VI = VCC or GND
5.5 V
±0.1
±1
±1
µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
160
80
µA
Ci
10
10
10
pF
† Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize
power dissipation. Test verifies a minimum 50-
Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C.
switching characteristics over recommended operating free-air temperature range,
VCC = 1.5 V, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tPLH
ABC
Any Y
187
170
ns
tPHL
A, B, C
Any Y
187
170
ns
tPLH
G1
Any Y
208
189
ns
tPHL
G1
Any Y
208
189
ns
tPLH
G2A G2B
Any Y
149
135
ns
tPHL
G2A, G2B
Any Y
149
135
ns


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