ACCESS TIME-MAX:  90 NS

ADDITIONAL FEATURE:  HARDWARE AND SOFTWARE DATA PROTECTION; 20-YEARS DATA RETENTION

BOOT BLOCK:  BOTTOM/TOP

COMMAND USER INTERFACE:  NO

DATA POLLING:  YES

ENDURANCE:  10000 WRITE/ERASE CYCLES

JESD-30 CODE:  R-PDSO-G32

JESD-609 CODE:  E0

LENGTH:  18.4 MM

MANUFACTURER:  WINBOND ELECTRONICS CORP

MANUFACTURER PART NUMBER:  W29C020CT90B

MEMORY DENSITY:  2.0972 MBIT

MEMORY IC TYPE:  FLASH

MEMORY WIDTH:  8

NUMBER OF FUNCTIONS:  1

NUMBER OF SECTORS/SIZE:  1,1,1

NUMBER OF TERMINALS:  32

NUMBER OF WORDS:  262.144 K

NUMBER OF WORDS CODE:  256000

OPERATING MODE:  ASYNCHRONOUS

OPERATING TEMPERATURE-MAX:  70 °C

OPERATING TEMPERATURE-MIN:  0 °C

ORGANIZATION:  256KX8

PACKAGE BODY MATERIAL:  PLASTIC/EPOXY

PACKAGE CODE:  TSOP1

PACKAGE DESCRIPTION:  TSOP1, TSSOP32,.8,20

PACKAGE EQUIVALENCE CODE:  TSSOP32,.8,20

PACKAGE SHAPE:  RECTANGULAR

PACKAGE STYLE:  SMALL OUTLINE, THIN PROFILE

PARALLEL/SERIAL:  PARALLEL

PART PACKAGE CODE:  TSOP1

PEAK REFLOW TEMPERATURE (CEL):  NOT SPECIFIED

PIN COUNT:  32

POWER SUPPLIES:  5 V

PROGRAMMING VOLTAGE:  5 V

QUALIFICATION STATUS:  NOT QUALIFIED

SEATED HEIGHT-MAX:  1.2 MM

SECTOR SIZE:  8K,240K,8K

STANDBY CURRENT-MAX:  100 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

TERMINAL FORM:  GULL WING

TERMINAL PITCH:  500 ΜM

TERMINAL POSITION:  DUAL

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

TOGGLE BIT:  YES

TYPE:  NOR TYPE

WIDTH:  8 MM

WRITE CYCLE TIME-MAX (TWC):  10 MS