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SN74AS638ANSRG4

SN74AS638ANSRG4

SN74AS638ANSRG4

Texas Instruments

DUAL Buffers 20 Pins 8 Bit per Element SOIC

SOT-23

SN74AS638ANSRG4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Package / Case SOIC
Number of Pins 20
PackagingTape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature70°C
Min Operating Temperature 0°C
Packing Method TAPE AND REEL
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Pin Count20
Operating Supply Voltage5V
Number of Elements 2
Polarity Inverting
Power Supplies5V
Temperature GradeCOMMERCIAL
Number of Circuits 1
Max Supply Voltage5.5V
Min Supply Voltage4.5V
Number of Ports2
Propagation Delay20 ns
Family AS
Logic Function Inverting, Transceiver
Direction Bidirectional
Output Characteristics OPEN-COLLECTOR/3-STATE
Logic IC Type BUS TRANSCEIVER
Number of Bits per Element 8
High Level Output Current24mA
Low Level Output Current15mA
Control Type COMMON CONTROL
Translation N/A
Width 5.3mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
In-Stock:4368 items

SN74AS638ANSRG4 Product Details

SN74AS638ANSRG4 Overview


An interesting SOIC package is used. As part of the external packaging, this logical driver uses the Tape & Reel (TR) form factor. The 2 elements all play a role. Logic device with 20 different terminations. There is a requirement for 5V of supply voltage. This electronic part belongs to the AS family of parts. This electric component comes with 20 pins. Surface Mount applications can be used with digital buffer. A 20-pin connector is used. An enhanced bus transceiver with 2 ports is available. Each element employs 8 bits. An electrical supply with 5V is recommended. There is usually a TAPE AND REEL package available. Using 5V supply voltage on this electronic part is recommended for running the part safely and stably in a circuit. As low as 0°C is not a problem for it to operate. An ambient temperature of no more than 70°C should be used. The low-level output mode outputs 15mA. It is possible that the electronic part may conduct 24mA current in high-level output mode. It is strongly recommended that you use at least a voltage of 4.5V when operating this buffer. There is a maximum supply voltage rating of 5.5V. The BUS TRANSCEIVER logic bus transceiver is known as such. Based on 1 circuits, digital buffer operates fundamentally. Voltage buffers using COMMON CONTROL control start up automatically.

SN74AS638ANSRG4 Features


High Level Output: 15mA
Low Level Output: 24mA
BUS TRANSCEIVER Logic IC


SN74AS638ANSRG4 Applications


There are a lot of Texas Instruments
SN74AS638ANSRG4 Buffers & Transceivers applications.


  • Wired telephone
  • Cordless telephone
  • Desktop PC
  • Notebook
  • Pocket PC
  • Desktop radio
  • Clock radio
  • Tuner
  • Portable radio
  • Car radio

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