ADDRESS BUS WIDTH:  4

BOUNDARY SCAN:  NO

BUS COMPATIBILITY:  8080; 8080A; 8085; 8086; 8088; Z80; Z8000; 68XX; 65XX; 8051; 68HC11

CLOCK FREQUENCY-MAX:  7.372 MHZ

COMMUNICATION PROTOCOL:  ASYNC, BIT

DATA ENCODING/DECODING METHOD:  NRZ

DATA TRANSFER RATE-MAX:  0.125 MBPS

EXTERNAL DATA BUS WIDTH:  8

JESD-30 CODE:  S-PQCC-J44

JESD-609 CODE:  E0

LENGTH:  16.585 MM

LOW POWER MODE:  YES

MANUFACTURER:  EXAR CORPORATION

MANUFACTURER PART NUMBER:  XR-88C681CJ

NUMBER OF DMA CHANNELS:  0

NUMBER OF I/O LINES:  15

NUMBER OF SERIAL I/OS:  2

NUMBER OF TERMINALS:  44

ON CHIP DATA RAM WIDTH:  0

OPERATING TEMPERATURE-MAX:  70 °C

OPERATING TEMPERATURE-MIN:  0 °C

PACKAGE BODY MATERIAL:  PLASTIC/EPOXY

PACKAGE CODE:  QCCJ

PACKAGE DESCRIPTION:  PLASTIC, LCC-44

PACKAGE SHAPE:  SQUARE

PACKAGE STYLE:  CHIP CARRIER

PART PACKAGE CODE:  LCC

PEAK REFLOW TEMPERATURE (CEL):  240

PIN COUNT:  44

QUALIFICATION STATUS:  NOT QUALIFIED

RAM (WORDS):  0

SEATED HEIGHT-MAX:  4.57 MM

SUPPLY CURRENT-MAX:  15 MA

SUPPLY VOLTAGE-MAX:  5.25 V

SUPPLY VOLTAGE-MIN:  4.75 V

SUPPLY VOLTAGE-NOM:  5 V

SURFACE MOUNT:  YES

TECHNOLOGY:  CMOS

TEMPERATURE GRADE:  COMMERCIAL

TERMINAL FINISH:  TIN LEAD

TERMINAL FORM:  J BEND

TERMINAL PITCH:  1.27 MM

TERMINAL POSITION:  QUAD

TIME@PEAK REFLOW TEMPERATURE-MAX (S):  30

WIDTH:  16.585 MM

UPS/UCS/PERIPHERAL ICS TYPE:  SERIAL IO/COMMUNICATION CONTROLLER, SERIAL