The M27C256B is a 256 Kbit EPROM product, suitable for microprocessor systems, with features such as low power consumption, fast access time, and programmability.
The M28W160BT and M28W160BB are 16 Mbit low‑voltage flash memory devices offered in TSOP48 and UBGA46 packages. They support block‑level erase, word‑by‑word programming, and feature a built‑in Program/Erase controller that handles timing and verification.
The datasheet provides electrical characteristics, absolute maximum ratings, pin descriptions, command set, and timing diagrams, enabling designers to integrate the memory into microcontroller‑based systems.
| Supply Voltage (Vpp) for programming, erase and read | 2.7 V to 3.6 V |
|---|---|
| Optional fast‑program supply voltage | 12 V |
| Input/Output optional supply voltage (Vppa) | 1.65 V or 2.7 V |
| Program/Erase cycles per block | 100,000 cycles |
| Data retention | 20 years |
| Operating temperature range | -40 °C to 85 °C |
| Storage temperature range | -55 °C to 155 °C |
| Memory size | 16 Mbit (1 Mbyte × 16) |
| Package types | TSOP48 (10 × 20 mm) and UBGA46 (0.75 mm ball pitch) |
The device uses a supply voltage (Vpp) of 2.7 V to 3.6 V for normal programming, erase, and read operations.
Each memory block is rated for up to 100,000 program/erase cycles.
The memory retains data for at least 20 years under specified conditions.
The ambient operating temperature is specified from –40 °C to +85 °C.