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M87C257-45F6

Description
32KX8 UVPROM, 45ns, CDIP28, LEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28
Categorystorage    storage   
File Size196KB,22 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance
Download Datasheet Parametric View All

M87C257-45F6 Overview

32KX8 UVPROM, 45ns, CDIP28, LEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28

M87C257-45F6 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeDIP
package instructionLEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28
Contacts28
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum access time45 ns
I/O typeCOMMON
JESD-30 codeR-CDIP-T28
JESD-609 codee3
length36.92 mm
memory density262144 bit
Memory IC TypeUVPROM
memory width8
Number of functions1
Number of terminals28
word count32768 words
character code32000
Operating modeASYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize32KX8
Output characteristics3-STATE
Package body materialCERAMIC, METAL-SEALED COFIRED
encapsulated codeWDIP
Encapsulate equivalent codeDIP28,.6
Package shapeRECTANGULAR
Package formIN-LINE, WINDOW
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)245
power supply5 V
Certification statusNot Qualified
Maximum seat height5.72 mm
Maximum standby current0.0001 A
Maximum slew rate0.03 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width15.24 mm
M87C257
Address Latched
256 Kbit (32Kb x8) UV EPROM and OTP EPROM
Feature summary
5V ± 10% supply voltage in Read operation
Integrated address latch
Access time: 45ns
Low power consumption:
– Active Current 30mA
– Standby Current 100µA
Programming voltage: 12.75V ± 0.25V
Programming times of around 3s
Electronic signature
– Manufacturer Code: 20h
– Device Code: 80h
ECOPACK® packages available
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PLCC32 (C)
May 2006
Rev 2
1/9
www.st.com
1
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