DM74LS645N vs SN74LS645N feature comparison

DM74LS645N National Semiconductor Corporation

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SN74LS645N Motorola Mobility LLC

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Rohs Code No
Part Life Cycle Code Transferred Transferred
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP MOTOROLA INC
Package Description PLASTIC, DIP-20 DIP, DIP20,.3
Reach Compliance Code compliant unknown
Additional Feature WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; MIN INPUT HYSTERESIS = 0.2V WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL
Control Type COMMON CONTROL COMMON CONTROL
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family LS LS
JESD-30 Code R-PDIP-T20 R-PDIP-T20
JESD-609 Code e0 e0
Length 26.075 mm 26.415 mm
Load Capacitance (CL) 45 pF 45 pF
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Max I(ol) 0.024 A 0.024 A
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 20 20
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
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
Power Supply Current-Max (ICC) 90 mA 90 mA
Prop. Delay@Nom-Sup 15 ns 15 ns
Propagation Delay (tpd) 15 ns 15 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 4.57 mm
Supply Voltage-Max (Vsup) 5.25 V 5.25 V
Supply Voltage-Min (Vsup) 4.75 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 7.62 mm 7.62 mm
Base Number Matches 4 8
Part Package Code DIP
Pin Count 20
HTS Code 8542.39.00.01

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