Nexperia
74HC241; 74HCT241
Octal buffer/line driver; 3-state
74HC_HCT241 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 February 2018
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5 Pinning information
5.1 Pinning
74HC241
74HCT241
1OE V
CC
1A0 2OE
2Y0 1Y0
1A1 2A0
2Y1 1Y1
1A2 2A1
2Y2 1Y2
1A3 2A2
2Y3 1Y3
GND 2A3
aaa-028154
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
Figure 3. Pin configuration for SO20
74HC241
74HCT241
aaa-028155
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
V
CC
2OE
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
2A3
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
GND
Figure 4. Pin configuration for (T)SSOP20
5.2 Pin description
Table 2. Pin description
Symbol Pin Description
1OE 1 output enable input (active LOW)
1A0, 1A1, 1A2, 1A3 2, 4, 6, 8 data input
2A0, 2A1, 2A2, 2A3 17, 15, 13, 11 data input
GND 10 ground (0 V)
1Y0, 1Y1, 1Y2, 1Y3 18, 16, 14, 12 data output
2Y0, 2Y1, 2Y2, 2Y3 3, 5, 7, 9 data output
2OE 19 output enable input (active HIGH)
V
CC
20 supply voltage
6 Functional description
Table 3. Function table
[1]
Inputs Outputs Inputs Outputs
1OE 1An 1Yn 2OE 2An 2Yn
L L L H L L
L H H H H H
H X Z L X Z
[1] H = HIGH voltage level;
L = LOW voltage level;
X = Don’t care;
Z = High impedance "OFF" state.