54F245DMQB National Semiconductor, 54F245DMQB Datasheet - Page 2

• Manufacturer Part Number: 54F245DMQB
• Manufacturer: National Semiconductor

Specifications of 54F245DMQB

• Logic Family: F
• Operating Supply Voltage (typ): 5V
• Propagation Delay Time: 10ns
• Number Of Elements: 1
• Number Of Channels: 8
• Input Logic Level: TTL
• Output Logic Level: TTL
• Output Type: 3-State
• Package Type: CDIP
• Polarity: Non-Inverting
• Logical Function: Bus Transceiver
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Technology: Bipolar
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Mounting: Through Hole
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

Connection Diagrams
Unit Loading Fan Out
Truth Table
H
L
X
Pin Names
OE
T R
A
B
e
e
e
0
0
LOW Voltage Level
Immaterial
HIGH Voltage Level
–A
–B
OE
H
L
L
7
7
Inputs
DIP SOIC SSOP and Flatpak
Output Enable Input (Active LOW)
Transmit Receive Input
Side A Inputs or
TRI-STATE Outputs
Side B Inputs or
TRI-STATE Outputs
T R
Pin Assignment for
H
L
X
Description
Bus B Data to Bus A
Bus A Data to Bus B
High Z State
Output
TL F 9503–1
600 106 6(80)
150 40(38 3)
HIGH LOW
3 5 1 083
3 5 1 083
1 0 2 0
1 0 2 0
U L
2
54F 74F
b
b
12 mA 64 mA (48 mA)
3 mA 24 mA (20 mA)
70 A
70 A
20 A
20 A
Output I
Input I
b
b
b
b
IH
OH
0 65 mA
0 65 mA
1 2 mA
1 2 mA
I
IL
Pin Assignment
I
OL
for LCC
TL F 9503– 2