Datasheets
SN74LS640NSR by:

Octal bus transceivers 20-SO 0 to 70

Part Details for SN74LS640NSR by Texas Instruments

Overview of SN74LS640NSR by Texas Instruments

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Available Datasheets

Part # Manufacturer Description Datasheet
SN74LS640NSR Texas Instruments Octal bus transceivers 20-SO 0 to 70

Price & Stock for SN74LS640NSR

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74LS640NSR-ND
DigiKey IC TRANSCEIVER INVERT 5.25V 20SO Min Qty: 1 Lead time: 12 Weeks Container: Bulk MARKETPLACE PRODUCT 13900
In Stock
  • 245 $1.2300
$1.2300 Buy Now
DISTI # 296-29919-1-ND
DigiKey IC TRANSCEIVER INVERT 5.25V 20SO Min Qty: 1 Lead time: 12 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) Temporarily Out of Stock
  • 1 $2.2700
  • 2,000 $1.1810
  • 4,000 $1.1551
  • 6,000 $1.1421
$1.1421 / $2.2700 Buy Now
DISTI # 595-SN74LS640NSR
Mouser Electronics Bus Transceivers Octal bus Transceiver RoHS: Compliant 707
  • 1 $2.5300
  • 10 $2.1600
  • 100 $1.8300
  • 250 $1.7200
  • 500 $1.5000
  • 1,000 $1.2500
  • 2,000 $1.1800
  • 4,000 $1.1100
$1.1100 / $2.5300 Buy Now
Quest Components   1147
  • 1 $3.1080
  • 122 $1.9166
  • 523 $1.7094
$1.7094 / $3.1080 Buy Now
Rochester Electronics SN74LS640 Octal bus transceivers RoHS: Compliant Status: Active Min Qty: 1 1725
  • 1 $1.1800
  • 25 $1.1600
  • 100 $1.1100
  • 500 $1.0600
  • 1,000 $1.0000
$1.0000 / $1.1800 Buy Now

Part Details for SN74LS640NSR

SN74LS640NSR CAD Models

SN74LS640NSR Part Data Attributes

SN74LS640NSR Texas Instruments
Buy Now Datasheet
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SN74LS640NSR Texas Instruments Octal bus transceivers 20-SO 0 to 70
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, SOP-20
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature WITH DIRECTION CONTROL
Control Type COMMON CONTROL
Count Direction BIDIRECTIONAL
Family LS
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 12.6 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 8
Number of Ports 2
Number of Terminals 20
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE
Output Polarity INVERTED
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP20,.3
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 95 mA
Prop. Delay@Nom-Sup 15 ns
Propagation Delay (tpd) 15 ns
Qualification Status Not Qualified
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 (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 5.3 mm

Alternate Parts for SN74LS640NSR

This table gives cross-reference parts and alternative options found for SN74LS640NSR. 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 SN74LS640NSR, 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
SN74LS640NSR Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOP-20 Rochester Electronics LLC SN74LS640NSR vs SN74LS640NSR
SN74LS640-1NSRE4 Octal bus transceivers 20-SO 0 to 70 Texas Instruments SN74LS640NSR vs SN74LS640-1NSRE4
SN74LS640MEL LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOP-20 onsemi SN74LS640NSR vs SN74LS640MEL
SN74LS640-1NSRG4 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20 Texas Instruments SN74LS640NSR vs SN74LS640-1NSRG4
HD74LS640FP LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, FP-20DA Renesas Electronics Corporation SN74LS640NSR vs HD74LS640FP
SN74LS640NSRG4 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20 Texas Instruments SN74LS640NSR vs SN74LS640NSRG4
SN74LS640M IC LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOP-20, Bus Driver/Transceiver onsemi SN74LS640NSR vs SN74LS640M
SN74LS640-1NSRE4 Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOP-20 Rochester Electronics LLC SN74LS640NSR vs SN74LS640-1NSRE4
SN74LS640-1NSRG4 Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOP-20 Rochester Electronics LLC SN74LS640NSR vs SN74LS640-1NSRG4
HD74LS640FPEL LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, 5.50 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20 Renesas Electronics Corporation SN74LS640NSR vs HD74LS640FPEL
Part Number Description Manufacturer Compare
SN74LS640DWG4 Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOIC-20 Rochester Electronics LLC SN74LS640NSR vs SN74LS640DWG4
SN74LS640DBR Octal bus transceivers 20-SSOP Texas Instruments SN74LS640NSR vs SN74LS640DBR
SN74LS640DWE4 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20 Texas Instruments SN74LS640NSR vs SN74LS640DWE4
SN74LS640-1DWR Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, SO-20 Rochester Electronics LLC SN74LS640NSR vs SN74LS640-1DWR
SN74LS640-1NSRG4 LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20 Texas Instruments SN74LS640NSR vs SN74LS640-1NSRG4
HD74LS640FP LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, FP-20DA Renesas Electronics Corporation SN74LS640NSR vs HD74LS640FP
SN74LS640NSR Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20, GREEN, PLASTIC, SOP-20 Rochester Electronics LLC SN74LS640NSR vs SN74LS640NSR
SN74LS640M IC LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOP-20, Bus Driver/Transceiver onsemi SN74LS640NSR vs SN74LS640M
SN74LS640DW LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, PLASTIC, SOIC-20 onsemi SN74LS640NSR vs SN74LS640DW
SN74LS620FN LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PQCC20 Texas Instruments SN74LS640NSR vs SN74LS620FN

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