SN74ALS521N vs SN54ALS688FH-00 feature comparison

SN74ALS521N Texas Instruments

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SN54ALS688FH-00 Texas Instruments

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Rohs Code No
Part Life Cycle Code Active Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC TEXAS INSTRUMENTS INC
Part Package Code DIP
Package Description ROHS COMPLIANT, PLASTIC, DIP-20 QCCN,
Pin Count 20
Reach Compliance Code compliant unknown
ECCN Code EAR99
HTS Code 8542.39.00.01 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE CASCADABLE
Family ALS ALS
JESD-30 Code R-PDIP-T20 S-CQCC-N20
JESD-609 Code e4
Length 25.4 mm 8.89 mm
Load Capacitance (CL) 50 pF 50 pF
Logic IC Type IDENTITY COMPARATOR IDENTITY COMPARATOR
Max I(ol) 0.024 A
Number of Bits 8 8
Number of Functions 8 1
Number of Terminals 20 20
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -55 °C
Output Characteristics 3-STATE
Output Polarity INVERTED INVERTED
Package Body Material PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED
Package Code DIP QCCN
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR SQUARE
Package Style IN-LINE CHIP CARRIER
Packing Method TUBE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 19 mA 19 mA
Prop. Delay@Nom-Sup 22 ns
Propagation Delay (tpd) 20 ns 25 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 2.54 mm
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 YES
Technology TTL TTL
Temperature Grade COMMERCIAL MILITARY
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form THROUGH-HOLE NO LEAD
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL QUAD
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.62 mm 8.89 mm
Base Number Matches 10 1

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