ACCESS TIME-MAX:  120 NS

ADDITIONAL FEATURE:  AUTOMATIC WRITE; HARDWARE & SOFTWARE DATA PROTECTION

COMMAND USER INTERFACE:  NO

DATA POLLING:  YES

JESD-30 CODE:  R-PDSO-G28

JESD-609 CODE:  E0

LENGTH:  11.8 MM

MANUFACTURER:  ATMEL CORPORATION

MANUFACTURER PART NUMBER:  AT29C256-12TC

MEMORY DENSITY:  262.144 KBIT

MEMORY IC TYPE:  FLASH

MEMORY WIDTH:  8

MOISTURE SENSITIVITY LEVEL:  3

NUMBER OF FUNCTIONS:  1

NUMBER OF SECTORS/SIZE:  512

NUMBER OF TERMINALS:  28

NUMBER OF WORDS:  32.768 K

NUMBER OF WORDS CODE:  32000

OPERATING MODE:  ASYNCHRONOUS

OPERATING TEMPERATURE-MAX:  70 °C

OPERATING TEMPERATURE-MIN:  0 °C

ORGANIZATION:  32KX8

OUTPUT CHARACTERISTICS:  3-STATE

PACKAGE BODY MATERIAL:  PLASTIC/EPOXY

PACKAGE CODE:  TSOP1

PACKAGE DESCRIPTION:  TSOP1, TSSOP28,.53,22

PACKAGE EQUIVALENCE CODE:  TSSOP28,.53,22

PACKAGE SHAPE:  RECTANGULAR

PACKAGE STYLE:  SMALL OUTLINE, THIN PROFILE

PAGE SIZE:  64 WORDS

PARALLEL/SERIAL:  PARALLEL

PART PACKAGE CODE:  TSOP1

PBFREE CODE:  NO

PEAK REFLOW TEMPERATURE (CEL):  240

PIN COUNT:  28

POWER SUPPLIES:  5 V

PROGRAMMING VOLTAGE:  5 V

QUALIFICATION STATUS:  NOT QUALIFIED

SEATED HEIGHT-MAX:  1.2 MM

SECTOR SIZE:  64

STANDBY CURRENT-MAX:  300 ΜA

SUBCATEGORY:  FLASH MEMORIES

SUPPLY CURRENT-MAX:  50 ΜA

SUPPLY VOLTAGE-MAX (VSUP):  5.5 V

SUPPLY VOLTAGE-MIN (VSUP):  4.5 V

SUPPLY VOLTAGE-NOM (VSUP):  5 V

SURFACE MOUNT:  YES

TECHNOLOGY:  CMOS

TEMPERATURE GRADE:  COMMERCIAL

TERMINAL FINISH:  TIN/LEAD (SN/PB)

TERMINAL FORM:  GULL WING

TERMINAL PITCH:  550 ΜM

TERMINAL POSITION:  DUAL

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

TOGGLE BIT:  YES

TYPE:  NOR TYPE

WIDTH:  8 MM

WRITE CYCLE TIME-MAX (TWC):  10 MS