ACCESS TIME-MAX:  20 NS

I/O TYPE:  COMMON

JESD-30 CODE:  R-PDIP-T28

JESD-609 CODE:  E0

LENGTH:  35.26 MM

MANUFACTURER:  WINBOND ELECTRONICS CORP

MANUFACTURER PART NUMBER:  W24257AK-20

MEMORY DENSITY:  262.144 KBIT

MEMORY IC TYPE:  STANDARD SRAM

MEMORY WIDTH:  8

NUMBER OF FUNCTIONS:  1

NUMBER OF PORTS:  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

OUTPUT CHARACTERISTICS:  3-STATE

OUTPUT ENABLE:  YES

PACKAGE BODY MATERIAL:  PLASTIC/EPOXY

PACKAGE CODE:  DIP

PACKAGE DESCRIPTION:  DIP, DIP28,.3

PACKAGE EQUIVALENCE CODE:  DIP28,.3

PACKAGE SHAPE:  RECTANGULAR

PACKAGE STYLE:  IN-LINE

PARALLEL/SERIAL:  PARALLEL

PART PACKAGE CODE:  DIP

PEAK REFLOW TEMPERATURE (CEL):  NOT SPECIFIED

PIN COUNT:  28

POWER SUPPLIES:  5 V

QUALIFICATION STATUS:  NOT QUALIFIED

SEATED HEIGHT-MAX:  4.45 MM

STANDBY CURRENT-MAX:  10 MA

STANDBY VOLTAGE-MIN:  4.5 V

SUBCATEGORY:  SRAMS

SUPPLY CURRENT-MAX:  140 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:  COMMERCIAL

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

WIDTH:  7.62 MM