SN74LS640DB vs SN74LS640DBR

Product Attributes

Part Number SN74LS640DB SN74LS640DBR
Manufacturer Texas Instruments Texas Instruments
Category Logic - Buffers, Drivers, Receivers, Transceivers Logic - Buffers, Drivers, Receivers, Transceivers
SN74LS640DB SN74LS640DBR
Product Status Active Active
Logic Type - Transceiver, Inverting
Number of Elements - 1
Number of Bits per Element - 8
Input Type - -
Output Type - 3-State
Current - Output High, Low - 15mA, 24mA
Voltage - Supply - 4.75V ~ 5.25V
Operating Temperature - 0°C ~ 70°C (TA)
Mounting Type - Surface Mount
Package / Case - 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package - 20-SSOP