74HCT643N vs M74HCT643B1R feature comparison

74HCT643N NXP Semiconductors

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M74HCT643B1R STMicroelectronics

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Rohs Code No Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NXP SEMICONDUCTORS STMICROELECTRONICS
Reach Compliance Code unknown compliant
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature WITH DIRECTION CONTROL; INVERTED OUTPUTS PORT A TO B INVERTED OUTPUTS PORT A TO B
Control Type COMMON CONTROL COMMON CONTROL
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family HCT HCT
JESD-30 Code R-PDIP-T20 R-PDIP-T20
Load Capacitance (CL) 50 pF 150 pF
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Max I(ol) 0.006 A 0.006 A
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 20 20
Operating Temperature-Max 125 °C 125 °C
Operating Temperature-Min -40 °C -55 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP DIP
Package Equivalence Code DIP20,.3 DIP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Prop. Delay@Nom-Sup 35 ns 33 ns
Propagation Delay (tpd) 35 ns 45 ns
Qualification Status Not Qualified Not Qualified
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade AUTOMOTIVE MILITARY
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Base Number Matches 2 1
Pbfree Code Yes
Part Package Code DIP
Package Description DIP, DIP20,.3
Pin Count 20
JESD-609 Code e3
Seated Height-Max 3.93 mm
Terminal Finish MATTE TIN
Width 7.62 mm

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