SN74LS646JT vs SN54LS646JS feature comparison

SN74LS646JT Rochester Electronics LLC

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SN54LS646JS Monolithic Memories (RETIRED)

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Part Life Cycle Code Contact Manufacturer Obsolete
Ihs Manufacturer ROCHESTER ELECTRONICS LLC MONOLITHIC MEMORIES
Package Description DIP, DIP, DIP24,.3
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature WITH DIRECTION CONTROL WITH DIRECTION CONTROL
Family LS LS
JESD-30 Code R-GDIP-T24 R-GDIP-T24
JESD-609 Code e0 e0
Length 32.005 mm
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 24 24
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -55 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, GLASS-SEALED
Package Code DIP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Propagation Delay (tpd) 35 ns 35 ns
Seated Height-Max 5.08 mm
Supply Voltage-Max (Vsup) 5.25 V 5.5 V
Supply Voltage-Min (Vsup) 4.75 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology TTL TTL
Temperature Grade COMMERCIAL MILITARY
Terminal Finish TIN LEAD TIN LEAD
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 7.62 mm
Base Number Matches 2 1
Rohs Code No
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
Package Equivalence Code DIP24,.3
Qualification Status Not Qualified
Trigger Type POSITIVE EDGE

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