DM74LS491N - Texas Instruments

DM74LS491N Details

• Manufacturer Part Number:

  DM74LS491N

• Rohs Code:

  No

• Part Life Cycle Code:

  Obsolete

• Package Description:

  DIP, DIP24,.3

• Reach Compliance Code:

  Unknown

• HTS Code:

  8542.39.00.60

• Manufacturer:

  Texas Instruments

• YTEOL:

  0

• Additional Feature:

  6 MIDDLE BITS CAN BE SET H/L AS A GROUP

• Count Direction:

  BIDIRECTIONAL

• Family:

  LS

• JESD-30 Code:

  R-PDIP-T24

• JESD-609 Code:

  e0

• Length:

  31.915 mm

• Load Capacitance (CL):

  50 pF

• Load/Preset Input:

  YES

• Logic IC Type:

  BINARY COUNTER

• Max Frequency@Nom-Sup:

  12500000 Hz

• Max I(ol):

  0.024 A

• Mode of Operation:

  SYNCHRONOUS

• Number of Bits:

  10

• Number of Functions:

  1

• Number of Terminals:

  24

• Operating Temperature-Max:

  75 °C

• Output Characteristics:

  3-STATE

• Package Body Material:

  PLASTIC/EPOXY

• Package Code:

  DIP

• Package Equivalence Code:

  DIP24,.3

• Package Shape:

  RECTANGULAR

• Package Style:

  IN-LINE

• Power Supply Current-Max (ICC):

  180 mA

• Propagation Delay (tpd):

  30 ns

• Qualification Status:

  Not Qualified

• Seated Height-Max:

  5.08 mm

• Supply Voltage-Max (Vsup):

  5.25 V

• Supply Voltage-Min (Vsup):

  4.75 V

• Supply Voltage-Nom (Vsup):

  5 V

• Surface Mount:

  NO

• Technology:

  TTL

• Temperature Grade:

  COMMERCIAL EXTENDED

• Terminal Finish:

  TIN LEAD

• Terminal Form:

  THROUGH-HOLE

• Terminal Pitch:

  2.54 mm

• Terminal Position:

  DUAL

• Trigger Type:

  POSITIVE EDGE

• Width:

  7.62 mm

• fmax-Min:

  12.5 MHz