ACCESS TIME-MAX:  90 NS

ADDITIONAL FEATURE:  AUTOMATIC WRITE

COMMAND USER INTERFACE:  NO

DATA POLLING:  YES

ENDURANCE:  10000 WRITE/ERASE CYCLES

JESD-30 CODE:  R-GDIP-T28

JESD-609 CODE:  E0

LENGTH:  37.25 MM

MANUFACTURER:  ATMEL CORPORATION

MANUFACTURER PART NUMBER:  AT28HC256-90DM/883

MEMORY DENSITY:  262.144 KBIT

MEMORY IC TYPE:  EEPROM

MEMORY WIDTH:  8

MOISTURE SENSITIVITY LEVEL:  1

NUMBER OF FUNCTIONS:  1

NUMBER OF TERMINALS:  28

NUMBER OF WORDS:  32.768 K

NUMBER OF WORDS CODE:  32000

OPERATING MODE:  ASYNCHRONOUS

OPERATING TEMPERATURE-MAX:  125 °C

OPERATING TEMPERATURE-MIN:  -55 °C

ORGANIZATION:  32KX8

OUTPUT CHARACTERISTICS:  3-STATE

PACKAGE BODY MATERIAL:  CERAMIC, GLASS-SEALED

PACKAGE CODE:  DIP

PACKAGE DESCRIPTION:  DIP, DIP28,.6

PACKAGE EQUIVALENCE CODE:  DIP28,.6

PACKAGE SHAPE:  RECTANGULAR

PACKAGE STYLE:  IN-LINE

PAGE SIZE:  64 WORDS

PARALLEL/SERIAL:  PARALLEL

PART PACKAGE CODE:  DIP

PBFREE CODE:  NO

PEAK REFLOW TEMPERATURE (CEL):  NOT SPECIFIED

PIN COUNT:  28

POWER SUPPLIES:  5 V

PROGRAMMING VOLTAGE:  5 V

QUALIFICATION STATUS:  NOT QUALIFIED

SCREENING LEVEL:  MIL-STD-883 CLASS B

SEATED HEIGHT-MAX:  5.72 MM

STANDBY CURRENT-MAX:  300 ΜA

SUBCATEGORY:  EEPROMS

SUPPLY CURRENT-MAX:  80 ΜA

SUPPLY VOLTAGE-MAX (VSUP):  5.5 V

SUPPLY VOLTAGE-MIN (VSUP):  4.5 V

SUPPLY VOLTAGE-NOM (VSUP):  5 V

SURFACE MOUNT:  NO

TECHNOLOGY:  CMOS

TEMPERATURE GRADE:  MILITARY

TERMINAL FINISH:  TIN/LEAD (SN/PB)

TERMINAL FORM:  THROUGH-HOLE

TERMINAL PITCH:  2.54 MM

TERMINAL POSITION:  DUAL

TIME@PEAK REFLOW TEMPERATURE-MAX (S):  NOT SPECIFIED

TOGGLE BIT:  YES

WIDTH:  15.24 MM

WRITE CYCLE TIME-MAX (TWC):  10 MS