74LCXH16245_05 Datasheet, PDF (2/8 Pages) Fairchild Semiconductor – Low Voltage 16-Bit Bidirectional Transceiver with Bushold

Connection Diagrams
Pin Assignment for SSOP and TSSOP
Pin Assignment for FBGA
Pin Descriptions
Pin Names
Description
OE_n
T/R_n
A₀–A₁₅
B₀–B₁₅
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs (Bushold)
Side B Inputs or 3-STATE Outputs (Bushold)
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
Logic Diagram
(Top Thru View)
www.fairchildsemi.com
2