Abbildungen dienen nur als Referenz
W27C512-45Z
+StücklisteIC EEPROM 512KBIT PARALLEL 28DIP
-
HerstellerWinbond Electronics
-
Herstellerteil #W27C512-45Z
-
Auf Lager6408
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Part Status | Obsolete |
| Base Product Number | W27C512 |
| DigiKey Programmable | Not Verified |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 512Kbit |
| Memory Organization | 64K x 8 |
| Memory Interface | Parallel |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole |
| Package | 28-DIP (0.600", 15.24mm) |
| Supplier Device Package | 28-PDIP |
| Packaging | Tube |
| Access Time | 45 ns |
Übersicht
Description
Key features of the W27C512-45Z include its ability to retain data even when power is removed, making it suitable for firmware storage. It can be erased using ultraviolet light, allowing for data to be rewritten. This EPROM is designed to operate within a wide voltage range and offers high-speed performance. Its DIP (dual in-line package) form factor makes it easy to integrate into various circuit boards.
Overall, the W27C512-45Z is valued for its reliability and ease of use, especially in applications where stable and rewritable storage is essential.
Equivalent
1. AT28C512 by Atmel/Microchip
2. 27C512 by various manufacturers (Note: typically EPROM, not EEPROM)
3. SST39SF040 by Microchip
4. M27C512 by STMicroelectronics (EPROM version)
5. 29C512 by various manufacturers (Flash EEPROM)
These alternatives may vary in terms of technology (EEPROM vs. EPROM vs. Flash), supply voltage, and write endurance. Always check the datasheets for compatibility.
Features
1. Memory Size: 512 Kilobits, organized as 64K x 8 bits.
2. Access Time: 45 nanoseconds, which is relatively fast, making it suitable for high-speed applications.
3. Low Power Consumption: Designed for low power operation, which helps in battery-powered applications.
4. Endurance: Supports a large number of write/erase cycles, typically around 10,000.
5. Data Retention: Offers data retention for up to 10 years.
6. Programming: Uses a 5V single power supply for programming and operation, simplifying system design.
7. Pin Compatibility: Compatible with JEDEC-approved pinout standards, facilitating easy integration into existing systems.
8. Package Options: Generally available in PLCC (Plastic Leaded Chip Carrier) and DIP (Dual In-line Package) formats.
9. Temperature Range: Often supports a wide temperature range suitable for industrial applications.
These features make the W27C512-45Z a reliable choice for applications requiring non-volatile memory storage with fast access times and extensive endurance.
Pinout
1. A0-A15 (Pins 10-21 and 23): Address inputs used to select a specific byte within the 64K memory.
2. DQ0-DQ7 (Pins 9 and 11-13, 15-17): Data input/output pins for data to be read from or written to the memory.
3. CE# (Pin 20): Chip Enable, active low. It enables the chip for reading or programming operations.
4. OE# (Pin 22): Output Enable, active low. It activates the output buffers during a read operation.
5. WE# (Pin 27): Write Enable, active low. It enables the writing/programming of data into the device.
6. VCC (Pin 28): Power supply pin, typically +5V.
7. GND (Pin 14): Ground connection.
These pins collectively allow for the reading and writing of data to the EEPROM, facilitating its primary function as non-volatile memory storage.
Manufacturer
Application
1. Embedded Systems: Used for storing firmware and configuration data in microcontroller-based projects.
2. Consumer Electronics: Utilized in devices needing firmware updates or configuration settings to be retained without power.
3. Industrial Automation: Employed in control systems requiring reliable data storage.
4. Telecommunications: Serves in network hardware for storing software and configuration files.
5. Automotive Systems: Used in ECUs and other modules where persistent data storage is critical.
These applications benefit from the chip's capacity to retain data without power and its relatively quick access times.
Package
Frequently Asked Questions
Q: Is the W27C512-45Z a Flash or EEPROM memory device?
A: It is a Non-Volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) with a parallel interface, ideal for firmware storage.
Q: What is the storage capacity and organization of this chip?
A: It has a 512Kbit (64K x 8) memory organization, meaning 65,536 bytes of data storage.
Q: What is the access time of the W27C512-45Z?
A: The access time is 45 ns, suitable for standard-speed parallel bus applications without high-speed timing constraints.
Q: What voltage supply does this part require?
A: It requires a 4.75V to 5.25V supply, making it compatible with traditional 5V logic systems.
Q: What is the operating temperature range for this EEPROM?
A: It operates from 0°C to 70°C (TA), suitable for commercial-grade applications only.
Q: Is this component a through-hole or surface-mount device?
A: It is a through-hole device in a 28-DIP package (0.600" wide) with a 28-PDIP supplier package, ideal for prototyping or legacy designs.
Q: Is the W27C512-45Z still in active production?
A: No, its Part Status is "Obsolete". It is recommended for legacy system maintenance or replacement needs only.
Q: What packaging format is used for this EEPROM?
A: It is supplied in a Tube packaging, typical for through-hole components in bulk shipments.
