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125℃工作 SPI BUS 64Kbit (8192x8bit) EEPROM_BR25H640F-2LB(H2) 本产品是面向工业设备市场的产品，保证可长期稳定供货。 是最适合这些用途的产品。
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特性：
| Grade | Industrial |
| I/F | SPI BUS |
| Density [bit] | 64K |
| Bit Format [Word x Bit] | 8K x 8 |
| Package | SOP8 |
| Operating Temperature (Min.)[°C] | -40 |
| Operating Temperature (Max.)[°C] | 125 |
| Vcc(Min.)[V] | 2.5 |
| Vcc(Max.)[V] | 5.5 |
| Circuit Current (Max.)[mA] | 5.5 |
| Standby Current (Max.)[μA] | 10.0 |
| Write Cycle (Max.)[ms] | 4.0 |
| Input Frequency (Max.)[Hz] | 10M |
| Endurance (Max.)[Cycle] | 106 |
| Data Retention (Max.)[Year] | 40 |
特点：
- · Long time support a product for Industrial applications.
· High speed clock action up to 10MHz (Max.)
· Wait function by HOLDB terminal.
· Part or whole of memory arrays settable as read only
memory area by program.
· 2.5V to 5.5V single power source action most
suitable
for battery use.
· Page write mode useful for initial value write at
factory shipment.
· For SPI bus interface (CPOL, CPHA)=(0, 0), (1, 1)
· Self-timed programming cycle.
· Low Supply Current
At write operation (5V) : 1.1mA (Typ.)
At read operation (5V) : 1.0mA (Typ.)
At standby operation (5V): 0.1µA (Typ.)
· Address auto increment function at read operation
· Prevention of write mistake
Write prohibition at power on.
Write prohibition by command code (WRDI).
Write prohibition by WPB pin.
Write prohibition block setting by status registers
(BP1, BP0).
Prevention of write mistake at low voltage.
· Initial delivery state: FFh, status register
WPEN, BP1, BP0 : 0
· More than 100 years data retention.
· More than 1 million write cycles.
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技术信息
Thermal Resistance
The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.
Part Explanation
For ICs