74LVC4245AD 查看數據表（PDF） - NXP Semiconductors.
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74LVC4245AD Datasheet PDF : 17 Pages
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NXP Semiconductors
74LVC4245A
Octal dual supply translating transceiver; 3-state
5. Pinning information
5.1 Pinning
74LVC4245A
VCCA 1
DIR 2
A0 3
A1 4
A2 5
A3 6
A4 7
A5 8
A6 9
A7 10
GND 11
GND 12
24 VCCB
23 VCCB
22 OE
21 B0
20 B1
19 B2
18 B3
17 B4
16 B5
15 B6
14 B7
13 GND
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Fig 3. Pin configuration SO24 and (T)SSOP24
74LVC4245A
terminal 1
index area
DIR 2
A0 3
A1 4
A2 5
A3 6
A4 7
A5 8
A6 9
A7 10
GND 11
GND(1)
23 VCCB
22 OE
21 B0
20 B1
19 B2
18 B3
17 B4
16 B5
15 B6
14 B7
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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 DHVQFN24
5.2 Pin description
Table 2.
Symbol
VCCA
VCCB
GND
DIR
A[0:7]
B[0:7]
OE
Pin description
Pin
1
23, 24
11, 12, 13
2
3, 4, 5, 6, 7, 8, 9, 10
21, 20, 19, 18, 17, 16, 15, 14
22
Description
supply voltage (5 V bus)
supply voltage (3 V bus)
ground (0 V)
direction control
data input or output
data input or output
output enable input (active LOW)
74LVC4245A_6
Product data sheet
Rev. 06 — 18 January 2008
© NXP B.V. 2008. All rights reserved.
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