74LCXZ16245 Datasheet, PDF (2/8 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)
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
H
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
www.fairchildsemi.com
2