Datasheets
M74HCT643B1R by: STMicroelectronics

HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20

Part Details for M74HCT643B1R by STMicroelectronics

Overview of M74HCT643B1R by STMicroelectronics

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Part Details for M74HCT643B1R

M74HCT643B1R CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

M74HCT643B1R Part Data Attributes:

M74HCT643B1R STMicroelectronics
Buy Now Datasheet
Compare Parts:
M74HCT643B1R STMicroelectronics HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code DIP
Package Description DIP, DIP20,.3
Pin Count 20
Reach Compliance Code compliant
HTS Code 8542.39.00.01
Additional Feature INVERTED OUTPUTS PORT A TO B
Control Type COMMON CONTROL
Count Direction BIDIRECTIONAL
Family HCT
JESD-30 Code R-PDIP-T20
JESD-609 Code e3
Load Capacitance (CL) 150 pF
Logic IC Type BUS TRANSCEIVER
Max I(ol) 0.006 A
Number of Bits 8
Number of Functions 1
Number of Ports 2
Number of Terminals 20
Operating Temperature-Max 125 °C
Operating Temperature-Min -55 °C
Output Characteristics 3-STATE
Output Polarity TRUE
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Prop. Delay@Nom-Sup 33 ns
Propagation Delay (tpd) 45 ns
Qualification Status Not Qualified
Seated Height-Max 3.93 mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount NO
Technology CMOS
Temperature Grade MILITARY
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm

Alternate Parts for M74HCT643B1R

This table gives cross-reference parts and alternative options found for M74HCT643B1R. 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 M74HCT643B1R, 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
74HCT643NB IC HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, Bus Driver/Transceiver NXP Semiconductors M74HCT643B1R vs 74HCT643NB
HD74HCT643P Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20, DP-20N Hitachi Ltd M74HCT643B1R vs HD74HCT643P
CD54HCT643F3A Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 Harris Semiconductor M74HCT643B1R vs CD54HCT643F3A
CD54HCT643F/3 HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 Intersil Corporation M74HCT643B1R vs CD54HCT643F/3
GD74HCT643J Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20, Goldstar Electron Co Ltd M74HCT643B1R vs GD74HCT643J
SN74HCT643N-00 HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 Texas Instruments M74HCT643B1R vs SN74HCT643N-00
MM74HCT643J HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, DIP-20 Texas Instruments M74HCT643B1R vs MM74HCT643J
74HCT643N IC HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, Bus Driver/Transceiver NXP Semiconductors M74HCT643B1R vs 74HCT643N
SN74HCT643N-10 HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 Texas Instruments M74HCT643B1R vs SN74HCT643N-10
M74HCT643B1N HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20 STMicroelectronics M74HCT643B1R vs M74HCT643B1N
Part Number Description Manufacturer Compare
74HCT643NB IC HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, Bus Driver/Transceiver NXP Semiconductors M74HCT643B1R vs 74HCT643NB
M74HCT643B1N HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20 STMicroelectronics M74HCT643B1R vs M74HCT643B1N
CD54HCT643F3A Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 Harris Semiconductor M74HCT643B1R vs CD54HCT643F3A
SN74HCT643N-00 HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 Texas Instruments M74HCT643B1R vs SN74HCT643N-00
CD54HCT643F/3 HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 Intersil Corporation M74HCT643B1R vs CD54HCT643F/3
CD54HCT643F/3 Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 Harris Semiconductor M74HCT643B1R vs CD54HCT643F/3
CD74HCT643EX Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 Harris Semiconductor M74HCT643B1R vs CD74HCT643EX
HD74HCT643P Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20, DP-20N Hitachi Ltd M74HCT643B1R vs HD74HCT643P
TC74HCT643AP IC HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, 0.300 INCH, PLASTIC, DIP-20, Bus Driver/Transceiver Toshiba America Electronic Components M74HCT643B1R vs TC74HCT643AP
SN74HCT643N-10 HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 Texas Instruments M74HCT643B1R vs SN74HCT643N-10

Share by Email

Something went wrong!
Please enter a valid e-mail address
Email sent!
Recipient Email:
Add a recipient
Hello!

We are passing along some cool findings on Findchips sent to you from .

The data is for M74HCT643B1R by STMicroelectronics.
They’ve also added a data comparison to this page with by .


Click on the link below to check it out on Findchips.com.

Update Alert Settings for: M74HCT643B1R by STMicroelectronics

  • Please alert me when M74HCT643B1R inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for the following M74HCT643B1R alternates:
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
  • Please alert me when the single part price for M74HCT643B1R to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for the following M74HCT643B1R alternates:
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for M74HCT643B1R.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare M74HCT643B1R by STMicroelectronics

Select a part to compare:
Part Number Manufacturer Description
No result found.
Something went wrong!
Or search for a different part: