ACCESS MODE:  FAST PAGE

ACCESS TIME-MAX:  80 NS

ADDITIONAL FEATURE:  RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

I/O TYPE:  COMMON

JESD-30 CODE:  R-PZIP-T20

JESD-609 CODE:  E0

MANUFACTURER:  TEXAS INSTRUMENTS

MANUFACTURER PART NUMBER:  TMS44C256-80SD

MEMORY DENSITY:  1.0486 MBIT

MEMORY IC TYPE:  FAST PAGE DRAM

MEMORY WIDTH:  4

NUMBER OF FUNCTIONS:  1

NUMBER OF PORTS:  1

NUMBER OF TERMINALS:  20

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:  256KX4

OUTPUT CHARACTERISTICS:  3-STATE

PACKAGE BODY MATERIAL:  PLASTIC/EPOXY

PACKAGE CODE:  ZIP

PACKAGE DESCRIPTION:  ZIP, ZIP20,.1

PACKAGE EQUIVALENCE CODE:  ZIP20,.1

PACKAGE SHAPE:  RECTANGULAR

PACKAGE STYLE:  IN-LINE

PART PACKAGE CODE:  ZIP

PBFREE CODE:  NO

PEAK REFLOW TEMPERATURE (CEL):  NOT SPECIFIED

PIN COUNT:  20

POWER SUPPLIES:  5 V

QUALIFICATION STATUS:  NOT QUALIFIED

REFRESH CYCLES:  512

SEATED HEIGHT-MAX:  10.16 MM

STANDBY CURRENT-MAX:  2 MA

SUBCATEGORY:  DRAMS

SUPPLY CURRENT-MAX:  75 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

TERMINAL FORM:  THROUGH-HOLE

TERMINAL PITCH:  1.27 MM

TERMINAL POSITION:  ZIG-ZAG

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

WIDTH:  2.8 MM