ADDRESS BUS WIDTH:  16

BIT SIZE:  8

CPU FAMILY:  8051

CLOCK FREQUENCY-MAX:  24 MHZ

DAC CHANNELS:  NO

DMA CHANNELS:  NO

EXTERNAL DATA BUS WIDTH:  8

HAS ADC:  NO

JESD-30 CODE:  S-PQCC-J44

JESD-609 CODE:  E0

LENGTH:  16.5862 MM

MANUFACTURER:  ATMEL CORPORATION

MANUFACTURER PART NUMBER:  AT89C55-24JI

MOISTURE SENSITIVITY LEVEL:  2

NUMBER OF I/O LINES:  32

NUMBER OF TERMINALS:  44

OPERATING TEMPERATURE-MAX:  85 °C

OPERATING TEMPERATURE-MIN:  -40 °C

PWM CHANNELS:  NO

PACKAGE BODY MATERIAL:  PLASTIC/EPOXY

PACKAGE CODE:  QCCJ

PACKAGE DESCRIPTION:  QCCJ, LDCC44,.7SQ

PACKAGE EQUIVALENCE CODE:  LDCC44,.7SQ

PACKAGE SHAPE:  SQUARE

PACKAGE STYLE:  CHIP CARRIER

PART PACKAGE CODE:  LPCC

PEAK REFLOW TEMPERATURE (CEL):  225

PIN COUNT:  44

POWER SUPPLIES:  5 V

QUALIFICATION STATUS:  NOT QUALIFIED

RAM (BYTES):  256

ROM (WORDS):  20480

ROM PROGRAMMABILITY:  FLASH

SEATED HEIGHT-MAX:  4.57 MM

SPEED:  24 MHZ

SUBCATEGORY:  MICROCONTROLLERS

SUPPLY CURRENT-MAX:  25 MA

SUPPLY VOLTAGE-MAX:  6 V

SUPPLY VOLTAGE-MIN:  4 V

SUPPLY VOLTAGE-NOM:  5 V

SURFACE MOUNT:  YES

TECHNOLOGY:  CMOS

TEMPERATURE GRADE:  INDUSTRIAL

TERMINAL FINISH:  TIN/LEAD (SN/PB)

TERMINAL FORM:  J BEND

TERMINAL PITCH:  1.27 MM

TERMINAL POSITION:  QUAD

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

WIDTH:  16.5862 MM

UPS/UCS/PERIPHERAL ICS TYPE:  MICROCONTROLLER