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M87C257-90C1TR

M87C257-90C1TR

M87C257-90C1TR

STMicroelectronics

5V V 32 Pin Memory IC M87C257 13.97mm mm

SOT-23

M87C257-90C1TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 32-LCC (J-Lead)
Surface MountYES
Number of Pins 32
Operating Temperature0°C~70°C TA
PackagingTape & Reel (TR)
JESD-609 Code e3
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 32
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory OTP ROMs
Technology EPROM - OTP
Voltage - Supply 4.5V~5.5V
Terminal Position QUAD
Peak Reflow Temperature (Cel) 245
Number of Functions 1
Supply Voltage 5V
Terminal Pitch1.27mm
[email protected] Reflow Temperature-Max (s) 40
Base Part Number M87C257
Pin Count32
Qualification StatusNot Qualified
Operating Supply Voltage5V
Power Supplies5V
Memory Size256Kb 32K x 8
Memory TypeNon-Volatile
Operating ModeASYNCHRONOUS
Supply Current-Max 0.03mA
Access Time 90ns
Memory Format EPROM
Memory InterfaceParallel
Output Characteristics 3-STATE
Memory Width 8
Standby Current-Max 0.0001A
Memory Density 262144 bit
I/O Type COMMON
Height Seated (Max) 3.56mm
Length 13.97mm
Width 11.43mm
RoHS StatusROHS3 Compliant
In-Stock:4888 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$2.520256$2.520256
10$2.377600$23.776
100$2.243019$224.3019
500$2.116056$1058.028
1000$1.996279$1996.279

M87C257-90C1TR Product Details

M87C257-90C1TR Overview


As far as memory types are concerned, Non-Volatile is considered to be its memory type. It is available in a case with a Tape & Reel (TR) shape. Embedded in the 32-LCC (J-Lead) case, memory ics is a single file. On the chip, there is an 256Kb 32K x 8 memory, which is the size of the chip's memory. There is a EPROM-format memory used in this device, which is the memory format used by mainstream devices. Due to its wide operating temperature range, this device can be used in a wide variety of demanding applications. There is a voltage range of 4.5V~5.5V for the supply voltage. As far as the mounting type is concerned, Surface Mount is recommended. On the chip, there are 32 terminations. The comprehensive working procedure of this part involves 1 functions. In order to function properly, this ic memory chip should be powered by a voltage of 5V. When selecting similar parts for the ic memory chip, M87C257 is often referred to. The ic memory chip comes in a package with 32 pins that allows it to be connected to a computer. I have noticed that the memory device has 32 pins, which indicates that it has 32 locations in the memory. A voltage of 5V is noted as the operating supply voltage for this memory. Power supplies for this memory chip are merely 5V . As part of the design, the I/O port addresses are mapped into the memory using an COMMON-bit number. With a maximum supply current of 0.03mA , it is able to operate from a variety of supplies. Usually, this memory ics falls under the OTP ROMs component category.

M87C257-90C1TR Features


Package / Case: 32-LCC (J-Lead)
32 Pins
Operating Supply Voltage:5V
I/O Type: COMMON

M87C257-90C1TR Applications


There are a lot of STMicroelectronics M87C257-90C1TR Memory applications.

  • embedded logic
  • nonvolatile BIOS memory
  • graphics card
  • hard disk drive (HDD)
  • eSRAM
  • telecommunications
  • printers
  • networking
  • multimedia computers
  • Cache memory

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