The M87C257-12F1 is a 256 Kbit (32Kb x 8) UV EPROM memory device from Quarktwin Technology Ltd. It features an integrated address latch and operates with a supply voltage of 5V ± 10% during read operations. The device has an access time of 45ns and low power consumption, with an active current of 30mA and a standby current of 100µA. Programming is performed at a voltage of 12.75V ± 0.25V, with programming times around 3 seconds. The device includes an electronic signature with a manufacturer code of 20h and a device code of 80h. It is available in ECOPACK® compliant packages, specifically FDIP28W and PLCC32. This product is suitable for applications requiring reliable non-volatile memory storage.
Manufacturer: STMicroelectronics
Win Source Part Number: 785149-M87C257-12F1
Packaging: Tube
Mounting Style: Through Hole
Operating Temperature Range: 0°C ~ 70°C (TA)
Package: 28-CDIP (0.600", 15.24mm) Window
Technology: EPROM - UV
Operating Supply Voltage: 4.5 V ~ 5.5 V
Memory Type: Non-Volatile
Memory Size: 256Kb (32K x 8)
Access Time: 120ns
Part Status: Obsolete(EOL)
Family Name: M87C257
Categories: Integrated Circuits (ICs)
Memory Format: EPROM
Memory Interface: Parallel
Manufacturer Package: 28-CDIP Frit Seal with Window
Alternative Parts (Cross-Reference): NMC27C256QE250; NMC27C256QE200; NMC27C256QM250; AT27LV256R-20DI;
Introduction Date: June 01, 1996
ECCN: EAR99
Country of Origin: China, India, Malaysia, Morocco, Philippines, Republic of Korea, Singapore
Estimated EOL Date: Obsolete / End of life
Popularity: Medium
Fake Threat In the Open Market: 29 pct.
Supply and Demand Status: Limited
EPROM - UV Memory IC 256Kb (32K x 8) Parallel 120ns 28-CDIP Frit Seal with Window
32KX8 UVPROM, 120ns, CDIP28, LEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28 Product overview: M87C257-12F1 from STMicroelectronics is a Memory IC and Storage Component for data storage, firmware boot, embedded logging, industrial controllers, computing modules, and replacement sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include DIP. Search-friendly keywords include memory IC, Flash, SRAM, DRAM, storage module, DIP, Memory IC and Storage Component, Memory ICs Products. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 774-M87C257-12F1 can be used for catalog matching and distributor lookup.
IC EPROM UV 256KBIT 120NS 28CDIP
EPROM - UV Memory IC 256Kbit Parallel 120 ns 28-CDIP Frit Seal with Window
IC EPROM 256KBIT PARALLEL 28CDIP
IC EPROM 256KBIT PARALLEL 28CDIP
| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Utmel Electronic Limited | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips |
| Product Number | 785149-M87C257-12F1 | M87C257-12F1-ND | 774-M87C257-12F1 | 761-M87C257-12F1 | M87C257-12F1 | M87C257-12F1 | M87C257-12F1 |
| Product Name | Memory - EPROM - M87C257-12F1 | Memory | DIP Memory IC and Storage Component | IC EPROM UV 256KBIT 120NS 28CDIP | Memory | Integrated Circuits (ICs) - Memory - Memory | Memory |
| Memory Category | EPROM; Non-Volatile | EPROM | EPROM; Non-Volatile, , EPROM | EPROM; Non-Volatile | EPROM; EPROM | EPROM; Non-Volatile | EPROM; EPROM |
| Access Time | 120 ns | 120 ns | 120 ns | 120 ns | 120 ns | ||
| Operating Temperature | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | -55 C (-67 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | ||
| Package Type | DIP | "28-CDIP (0.600"", 15.24mm) Window" | CDIP | DIP; 28-CDIP (0.600, 15.24mm) Window | DIP; 28-CDIP (0.600\", 15.24mm) Window | ||
| Supply Voltage | 4.5 V ~ 5.5 V | 4.5V ~ 5.5V | -4.5V; 4.5V | 5V; 5V | 4.5V ~ 5.5V | Through Hole |
