Texas Instruments SN74LS640N, Bus Transceiver, 8-Bit Inverting TTL, 20-Pin PDIP

Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
Product Details

74LS Family Bus Transceivers, Texas Instruments

Texas Instruments range of Bus Transceivers from the 74LS Family of Low Power Schottky Logic ICs. The 74LS Family use bipolar junction technology coupled with Schottky diode clamps to achieve operating speeds equal to the original 74TTL family but with much lower power consumption.

74LS Family

Attribute Value
Logic Family LS
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 TTL
Maximum High Level Output Current -15mA
Maximum Low Level Output Current 24mA
Maximum Propagation Delay Time @ Maximum CL 15 ns @ 5 V
Maximum Operating Temperature +70 °C
Maximum Operating Supply Voltage 5.25 V
Height 4.57mm
Dimensions 24.33 x 6.35 x 4.57mm
Minimum Operating Temperature 0 °C
Width 6.35mm
Minimum Operating Supply Voltage 4.75 V
Length 24.33mm
Propagation Delay Test Condition 45pF
Temporarily out of stock - back order for despatch when stock is available
Price Each (In a Tube of 20)
MYR 6.99
Per unit
Per Tube*
20 +
*price indicative