Datasheets
SN74LS640DBR by: Texas Instruments

Octal bus transceivers 20-SSOP

Part Details for SN74LS640DBR by Texas Instruments

Overview of SN74LS640DBR by Texas Instruments

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Applications Industrial Automation Renewable Energy Robotics and Drones

Price & Stock for SN74LS640DBR

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74LS640DBR-ND
DigiKey IC TXRX INVERT 5.25V 20SSOP Min Qty: 164 Lead time: 28 Weeks Container: Bulk MARKETPLACE PRODUCT 2000
In Stock
  • 164 $1.8300
$1.8300 Buy Now
DISTI # SN74LS640DBR-ND
DigiKey IC TXRX INVERT 5.25V 20SSOP Min Qty: 164 Lead time: 28 Weeks Container: Tape & Reel (TR) Temporarily Out of Stock
Buy Now
DISTI # 595-SN74LS640DBR
Mouser Electronics Bus Transceivers Octal bus Trnscvrs RoHS: Compliant 0
  • 2,000 $1.4500
$1.4500 Order Now
Rochester Electronics SN74LS640 Octal bus transceivers RoHS: Compliant Status: Active Min Qty: 1 2000
  • 1 $1.8500
  • 25 $1.8100
  • 100 $1.7400
  • 500 $1.6700
  • 1,000 $1.5700
$1.5700 / $1.8500 Buy Now

Part Details for SN74LS640DBR

SN74LS640DBR CAD Models

SN74LS640DBR Part Data Attributes:

SN74LS640DBR Texas Instruments
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SN74LS640DBR Texas Instruments Octal bus transceivers 20-SSOP
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SSOP
Package Description SSOP-28
Pin Count 28
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Control Type COMMON CONTROL
Count Direction BIDIRECTIONAL
Family LS
JESD-30 Code R-PDSO-G28
JESD-609 Code e4
Length 10.2 mm
Load Capacitance (CL) 45 pF
Logic IC Type BUS TRANSCEIVER
Max I(ol) 0.024 A
Moisture Sensitivity Level 1
Number of Bits 8
Number of Functions 1
Number of Ports 2
Number of Terminals 28
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE
Output Polarity INVERTED
Package Body Material PLASTIC/EPOXY
Package Code SSOP
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, SHRINK PITCH
Packing Method TR
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 0.09 mA
Prop. Delay@Nom-Sup 15 ns
Propagation Delay (tpd) 15 ns
Schmitt Trigger NO
Seated Height-Max 2 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING
Terminal Pitch 0.65 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 5.3 mm

Alternate Parts for SN74LS640DBR

This table gives cross-reference parts and alternative options found for SN74LS640DBR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS640DBR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
SN74LS640DBRE4 Octal bus transceivers 20-SSOP Texas Instruments SN74LS640DBR vs SN74LS640DBRE4
Part Number Description Manufacturer Compare
SN74LS640DWRE4 Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOIC-20 Rochester Electronics LLC SN74LS640DBR vs SN74LS640DWRE4
SN74LS640-1NSRE4 Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOP-20 Rochester Electronics LLC SN74LS640DBR vs SN74LS640-1NSRE4
SN74LS640MR1 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOP-20 onsemi SN74LS640DBR vs SN74LS640MR1
SN74LS640DBRE4 Octal bus transceivers 20-SSOP Texas Instruments SN74LS640DBR vs SN74LS640DBRE4
SN74LS640NSRE4 Octal bus transceivers 20-SO 0 to 70 Texas Instruments SN74LS640DBR vs SN74LS640NSRE4
SN74LS640DWRG4 Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOIC-20 Rochester Electronics LLC SN74LS640DBR vs SN74LS640DWRG4
SN74LS640MEL LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOP-20 onsemi SN74LS640DBR vs SN74LS640MEL
SN74LS640-1DW Octal bus transceivers 20-SOIC 0 to 70 Texas Instruments SN74LS640DBR vs SN74LS640-1DW
DV74LS640D Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, PLASTIC, SOP-20 avg Semiconductors SN74LS640DBR vs DV74LS640D
SN74LS640NSRG4 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20 Texas Instruments SN74LS640DBR vs SN74LS640NSRG4

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