HD74ALVC166245A Datasheet, PDF (2/13 Pages) Renesas Technology Corp – 16-Bit Dual-supply Bus Transceiver with 3-state Outputs

HD74ALVC166245A
Function Table
1OE
L
L
H
2OE
L
L
H
H: High level
L: Low level
X: Immaterial
Z: High impedance
Pin Arrangement
Inputs
Inputs
1DIR 1
1B1 2
1B2 3
GND 4
1B3 5
1B4 6
VCCB 7
1B5 8
1B6 9
GND 10
1B7 11
1B8 12
2B1 13
2B2 14
GND 15
2B3 16
2B4 17
VCCB 18
2B5 19
2B6 20
GND 21
2B7 22
2B8 23
2DIR 24
1DIR
L
H
X
2DIR
L
H
X
Operation
1B1–1B8 data to 1A1–1A8 bus
1A1–1A8 data to 1B1–1B8 bus
Z
Operation
2B1–2B8 data to 2A1–2A8 bus
2A1–2A8 data to 2B1–2B8 bus
Z
48 1OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 VCCA
41 1A5
40 1A6
39 GND
38 1A7
37 1A8
36 2A1
35 2A2
34 GND
33 2A3
32 2A4
31 VCCA
30 2A5
29 2A6
28 GND
27 2A7
26 2A8
25 2OE
Rev.2.01 Apr. 12, 2005 page 2 of 12
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