MM74HC646N
vs
CD54HC646F
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
NATIONAL SEMICONDUCTOR CORP
TEXAS INSTRUMENTS INC
Package Description
DIP, DIP24,.3
DIP, DIP24,.6
Reach Compliance Code
unknown
not_compliant
HTS Code
8542.39.00.01
8542.39.00.01
Additional Feature
SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/REAL TIME DATA
WITH DIRECTION CONTROL
Control Type
INDEPENDENT CONTROL
INDEPENDENT CONTROL
Count Direction
BIDIRECTIONAL
BIDIRECTIONAL
Family
HC/UH
HC/UH
JESD-30 Code
R-PDIP-T24
R-GDIP-T24
JESD-609 Code
e0
Length
31.915 mm
31.62 mm
Load Capacitance (CL)
50 pF
Logic IC Type
REGISTERED BUS TRANSCEIVER
REGISTERED 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
24
24
Operating Temperature-Max
85 °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
CERAMIC, GLASS-SEALED
Package Code
DIP
DIP
Package Equivalence Code
DIP24,.3
DIP24,.6
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
Prop. Delay@Nom-Sup
37 ns
66 ns
Propagation Delay (tpd)
338 ns
205 ns
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
5.08 mm
6.3 mm
Supply Voltage-Max (Vsup)
6 V
6 V
Supply Voltage-Min (Vsup)
2 V
2 V
Supply Voltage-Nom (Vsup)
4.5 V
4.5 V
Surface Mount
NO
NO
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
MILITARY
Terminal Finish
TIN LEAD
Terminal Form
THROUGH-HOLE
THROUGH-HOLE
Terminal Pitch
2.54 mm
2.54 mm
Terminal Position
DUAL
DUAL
Trigger Type
POSITIVE EDGE
POSITIVE EDGE
Width
7.62 mm
15.24 mm
Base Number Matches
3
2
Part Package Code
DIP
Pin Count
24
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Compare MM74HC646N with alternatives
Compare CD54HC646F with alternatives