BASE PART NUMBER:  74LS90

CATEGORIES:  INTEGRATED CIRCUITS (ICS)

COUNT RATE:  42MHZ

DETAILED DESCRIPTION:  COUNTER IC COUNTER, DECADE 1 ELEMENT 4 BIT NEGATIVE EDGE 14-PDIP

DIRECTION:  UP

LEAD FREE STATUS / ROHS STATUS:  LEAD FREE / ROHS COMPLIANT

LOGIC TYPE:  COUNTER, DECADE

MANUFACTURER:  TEXAS INSTRUMENTS

MANUFACTURER PART NUMBER:  SN74LS90N

MANUFACTURER STANDARD LEAD TIME:  6 WEEKS

MOISTURE SENSITIVITY LEVEL (MSL):  1 (UNLIMITED)

MOUNTING TYPE:  THROUGH HOLE

NUMBER OF BITS PER ELEMENT:  4

NUMBER OF ELEMENTS:  1

OPERATING TEMPERATURE:  0°C ~ 70°C

PACKAGE / CASE:  14-DIP (0.300", 7.62MM)

PACKAGING:  TUBE

RESET:  ASYNCHRONOUS

SERIES:  74LS

STANDARD PACKAGE:  25

SUPPLIER DEVICE PACKAGE:  14-PDIP

TRIGGER TYPE:  NEGATIVE EDGE

VOLTAGE - SUPPLY:  4.75V ~ 5.25V

ALTERNATE PARTS:  SN74LS90NE4