Details

---

BUY 28F400B5B https://www.utsource.net/itm/p/12610158.html

Parameter	Description	Value
Device Type	Flash Memory	28F400B5B
Memory Size	Total memory capacity	4 Mbits
Organization	Organization of memory	512K x 8
Vcc (Supply Voltage)	Operating supply voltage range	3.0 V to 3.6 V
Tc (Case Temperature)	Operating temperature range	-40°C to +85°C
Access Time	Maximum access time	70 ns
Page Size	Page size for read/program operations	256 Bytes
Block Erase Size	Block size for erase operations	8 KBytes
Programming Voltage	Voltage required for programming	Vpp = Vcc
Package Type	Type of package	TSOP II (48-pin)
Features	Special features	Auto Select, PowerDown

Instructions for Use

1. Power Supply Requirements:

   • Ensure the supply voltage (Vcc) is within the specified range of 3.0 V to 3.6 V.
   • The device does not require an external programming voltage (Vpp), as it operates with Vpp = Vcc.

2. Operating Temperature:

   • Operate the device within the temperature range of -40°C to +85°C to ensure reliable performance.

3. Access Timing:

   • For optimal performance, ensure that the system design accommodates a maximum access time of 70 ns.

4. Programming and Erasing:

   • Program and erase operations should be performed using the specified page size (256 Bytes) and block erase size (8 KBytes).
   • Utilize the Auto Select feature to simplify command execution.

5. Power Management:

   • Use the PowerDown mode to reduce power consumption when the device is not in use.

6. Handling Precautions:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).
   • Follow proper handling procedures as outlined in the manufacturer’s guidelines.

For detailed specifications and advanced usage, refer to the datasheet provided by the manufacturer.

(For reference only)