ACCESS TIME-MAX:  55 NS

JESD-30 CODE:  R-CDIP-T28

MANUFACTURER:  E2V TECHNOLOGIES

MANUFACTURER PART NUMBER:  WS57C256F-55D

MEMORY DENSITY:  262.144 KBIT

MEMORY IC TYPE:  UVPROM

MEMORY WIDTH:  8

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:  70 °C

OPERATING TEMPERATURE-MIN:  0 °C

ORGANIZATION:  32KX8

PACKAGE BODY MATERIAL:  CERAMIC, METAL-SEALED COFIRED

PACKAGE CODE:  DIP

PACKAGE DESCRIPTION:  DIP,

PACKAGE SHAPE:  RECTANGULAR

PACKAGE STYLE:  IN-LINE

PARALLEL/SERIAL:  PARALLEL

PART PACKAGE CODE:  DIP

PIN COUNT:  28

QUALIFICATION STATUS:  NOT QUALIFIED

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:  COMMERCIAL

TERMINAL FORM:  THROUGH-HOLE

TERMINAL POSITION:  DUAL