HD74BC540AFP(E) Overview
Adding up all component pins equals 20.
HD74BC540AFP(E) Features

HD74BC540AFP(E) Applications
There are a lot of Renesas Electronics
HD74BC540AFP(E) Specialty Logic ICs applications.

Ethernet circuitry
Wired telephone
Cordless telephone
Desktop PC
Notebook
Pocket PC
Desktop radio
Clock radio
Tuner
Portable radio

ECCN (US)	EAR99
Logic Family	BC
Number of Elements per Chip	1
Number of Channels per Chip	8
Number of Inputs per Chip	8
Number of Input Enables per Chip	0
Number of Outputs per Chip	8
Number of Output Enables per Chip	2 Low
Bus Hold	No
Maximum Propagation Delay Time @ Maximum CL (ns)	6@5V
Absolute Propagation Delay Time (ns)	11
Process Technology	BiCMOS
Input Signal Type	Single-Ended
Maximum Low Level Output Current (mA)	64
Maximum High Level Output Current (mA)	-15
Minimum Operating Supply Voltage (V)	4.5
Typical Operating Supply Voltage (V)	5
Maximum Operating Supply Voltage (V)	5.5
Propagation Delay Test Condition (pF)	50
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Standard Package Name	SOP
Supplier Package	SOP
Mounting	Surface Mount
Package Height	2(Max)
Package Length	12.6
Package Width	5.5
PCB changed	20
Lead Shape	Gull-wing
RoHS	Non-Compliant
Part Status	Obsolete
Pin Count	20
Output Type	3-State
Polarity	Inverting
Logic Function	Buffer/Line Driver
RoHS Status	RoHS Compliant