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M27V256-120F6

Description
32KX8 UVPROM, 120ns, CDIP28, FRIT SEALED, WINDOWED, CERAMIC, DIP-28
Categorystorage    storage   
File Size104KB,15 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

M27V256-120F6 Overview

32KX8 UVPROM, 120ns, CDIP28, FRIT SEALED, WINDOWED, CERAMIC, DIP-28

M27V256-120F6 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSTMicroelectronics
Parts packaging codeDIP
package instructionFRIT SEALED, WINDOWED, CERAMIC, DIP-28
Contacts28
Reach Compliance Codenot_compliant
ECCN codeEAR99
Maximum access time120 ns
I/O typeCOMMON
JESD-30 codeR-GDIP-T28
JESD-609 codee0
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, GLASS-SEALED
encapsulated codeWDIP
Encapsulate equivalent codeDIP28,.6
Package shapeRECTANGULAR
Package formIN-LINE, WINDOW
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3.3 V
Programming voltage12.75 V
Certification statusNot Qualified
Maximum seat height5.97 mm
Maximum standby current0.00001 A
Maximum slew rate0.01 mA
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width15.24 mm
M27V256
256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM
NOT FOR NEW DESIGN
s
s
M27V256 is replaced by the M27W256
3V to 3.6V LOW VOLTAGE in READ
OPERATION
ACCESS TIME: 90ns
LOW POWER CONSUMPTION:
– Active Current 10mA at 5MHz
– Standby Current 10µA
1
1
28
28
s
s
s
s
s
PROGRAMMING VOLTAGE: 12.75V
±
0.25V
PROGRAMMING TIME: 100µs/word
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: 8Dh
FDIP28W (F)
PDIP28 (B)
DESCRIPTION
The M27V256 is a low voltage 256 Kbit EPROM
offered in the two ranges UV (ultra violet erase)
and OTP (one time programmable). It is ideally
suited for microprocessor systems and is orga-
nized as 32,768 by 8 bits.
The M27V256 operates in the read mode with a
supply voltage as low as 3V. The decrease in op-
erating power allows either a reduction of the size
of the battery or an increase in the time between
battery recharges.
The FDIP28W (window ceramic frit-seal package)
has a transparent lid which allows the user to ex-
pose the chip to ultraviolet light to erase the bit pat-
tern. A new pattern can then be written to the
device by following the programming procedure.
For applications where the content is programmed
only one time and erasure is not required, the
M27V256 is offered in PDIP28, PLCC32 and
TSOP28 (8 x 13.4 mm) packages.
PLCC32 (K)
TSOP28 (N)
8 x 13.4mm
Figure 1. Logic Diagram
VCC
VPP
15
A0-A14
8
Q0-Q7
E
G
M27V256
VSS
AI01908
July 2000
This is information on a product still in production but not recommended for new designs.
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