Texas Instruments SN74ALS639AN, 1 Bus Transceiver, 8-Bit Inverting 3-State, 20-Pin PDIP

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Discontinued product

Technical data sheets

Advanced Low-Power Schottky Bipolar Logic
Operating Voltage 4.5 to 5.5
Compatibility: Input TTL, Output TTL

74ALS Family

Attribute	Value
Logic Family	ALS
Logic Function	Bus Transceiver
Number of Elements per Chip	1
Number of Channels per Chip	8
Polarity	Inverting
Mounting Type	Through Hole
Package Type	PDIP
Pin Count	20
Input Level	TTL
Output Level	3-State
Maximum High Level Output Current	-15mA
Maximum Low Level Output Current	24mA
Maximum Propagation Delay Time @ Maximum CL	30 ns@ 50 pF
Minimum Operating Supply Voltage	4.5 V
Length	26.92mm
Propagation Delay Test Condition	50pF
Dimensions	26.92 x 6.6 x 4.57mm
Height	4.57mm
Minimum Operating Temperature	0 °C
Maximum Operating Temperature	+70 °C
Maximum Operating Supply Voltage	5.5 V
Width	6.6mm