Texas Instruments SN74LS642DW, Bus Transceiver, 8-Bit Inverting TTL, 20-Pin SOIC

Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): MY
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

Specifications
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 Surface Mount
Package Type SOIC
Pin Count 20
Input Level TTL
Output Level TTL
Maximum High Level Output Current 0.1mA
Maximum Low Level Output Current 24mA
Maximum Propagation Delay Time @ Maximum CL 25 ns @ 45 pF
Maximum Operating Temperature +70 °C
Propagation Delay Test Condition 45pF
Minimum Operating Temperature 0 °C
Minimum Operating Supply Voltage 4.75 V
Width 7.6mm
Length 13mm
Maximum Operating Supply Voltage 5.25 V
Dimensions 13 x 7.6 x 2.35mm
Height 2.35mm
25 In stock for delivery within 3 working days
Price Each (In a Tube of 25)
HK$ 49.428
(exc. GST)
units
Per unit
Per Tube*
25 +
HK$49.428
HK$1,235.70
*price indicative
Due to temporarily constrained supply, RS is unable to accept backorders at this time
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