74AHCT541 データシートの表示（PDF） - NXP Semiconductors.
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74AHCT541 Datasheet PDF : 16 Pages
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Nexperia
74AHC541; 74AHCT541
Octal buffer/line driver; 3-state
5. Pinning information
5.1 Pinning
OE0 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND 10
74AHC541
74AHCT541
20 VCC
19 OE1
18 Y0
17 Y1
16 Y2
15 Y3
14 Y4
13 Y5
12 Y6
11 Y7
001aah038
Fig 3. Pin configuration SO20, TSSOP20
terminal 1
index area
74AHC541
74AHCT541
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND(1)
19 OE1
18 Y0
17 Y1
16 Y2
15 Y3
14 Y4
13 Y5
12 Y6
001aah039
Transparent top view
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as
a supply pin or input.
Fig 4. Pin configuration DHVQFN20
5.2 Pin description
Table 2.
Symbol
OE0
A[0:7]
GND
Y[0:7]
OE1
VCC
Pin description
Pin
Description
1
output enable input (active LOW)
2, 3, 4, 5, 6, 7, 8, 9
data input
10
ground (0 V)
18, 17, 16, 15, 14, 13, 12, 11 data output
19
output enable input (active LOW)
20
supply voltage
74AHC_AHCT541_3
Product data sheet
Rev. 03 — 12 November 2007
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