74LCX16245 Datasheet, PDF (2/9 Pages) Fairchild Semiconductor – Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

Connection Diagrams
Pin Assignment for SSOP and TSSOP
Pin Assignment for FBGA
(Top Thru View)
Logic Diagrams
Pin Descriptions
Pin Names
OE_n
T/R_n
A₀–A₁₅
B₀–B₁₅
NC
Description
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
No Connect
FBGA Pin Assignments
1
2
3
4
5
6
A
B₀
NC T/R₁ OE₁ NC
A₀
B
B₂
B₁
NC
NC
A₁
A₂
C
B₄
B₃
V_CC V_CC
A₃
A₄
D
B₆
B₅ GND GND A₅
A₆
E
B₈
B₇ GND GND A₇
A₈
F
B₁₀
B₉ GND GND A₉
A₁₀
G
B₁₂
B₁₁
V_CC V_CC
A₁₁
A₁₂
H
B₁₄
B₁₃
NC
NC
A₁₃
A₁₄
J
B₁₅
NC T/R₂ OE₂
NC
A₁₅
Truth Tables
Inputs
OE₁
T/R₁
L
L
L
H
H
X
Outputs
Bus B₀–B₇ Data to Bus A₀–A₇
Bus A₀–A₇ Data to Bus B₀–B₇
HIGH Z State on A₀–A₇, B₀–B₇
Inputs
OE₂
T/R₂
L
L
L
H
H
X
H HIGH Voltage Level
L LOW Voltage Level
X Immaterial
Z High Impedance
Outputs
Bus B₈–B₁₅ Data to Bus A₈–A₁₅
Bus A₈–A₁₅ Data to Bus B₈–B₁₅
HIGH Z State on A₈–A₁₅, B₈–B₁₅
Note: Please note that these diagrams are provided only for the understanding of logic operations and should not be used to estimate propagation delays.
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