74HC240 Datasheet, PDF (3/18 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state; inverting

NXP Semiconductors
74HC240; 74HCT240
Octal buffer/line driver; 3-state; inverting
5. Pinning information
5.1 Pinning
1OE 1
1A0 2
2Y0 3
1A1 4
2Y1 5
1A2 6
2Y2 7
1A3 8
2Y3 9
GND 10
74HC240
74HCT240
20 V_CC
19 2OE
18 1Y0
17 2A0
16 1Y1
15 2A1
14 1Y2
13 2A2
12 1Y3
11 2A3
001aag233
Fig 4. Pin configuration DIP20, SO20, (T)SSOP20
terminal 1
index area
74HC240
74HCT240
1A0 2
2Y0 3
1A1 4
2Y1 5
1A2 6
2Y2 7
1A3 8
2Y3 9
GND⁽¹⁾
19 2OE
18 1Y0
17 2A0
16 1Y1
15 2A1
14 1Y2
13 2A2
12 1Y3
001aag234
Transparent top view
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as
supply pin or input
Fig 5. Pin configuration DHVQFN20
5.2 Pin description
Table 2.
Symbol
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
GND
2A3
1Y3
2A2
1Y2
2A1
1Y1
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
74HC_HCT240_3
Product data sheet
Description
output enable input (active LOW)
data input
bus output
data input
bus output
data input
bus output
data input
bus output
ground (0 V)
data input
bus output
data input
bus output
data input
bus output
Rev. 03 — 2 August 2007
© NXP B.V. 2007. All rights reserved.
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