BH6626FS Просмотр технического описания (PDF) - ROHM Semiconductor

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производитель

BH6626FS

Read / Write amplifier for FDD

ROHM Semiconductor 

Magnetic disk ICs

Erase output

Logic input

FMode table

BH6626FS

Total filter peak frequency setting

f0 = a / (RRCC [kΩ] +0.09) [kHz]

a = 412 1M outer track

439 1M inner track

790 2M outer track

867 2M inner track

732 outer track(with OPTION 1), OPTION 2

836 inner track (with OPTION 1)

TDF time constant setting

250 [kbps] : T = 939

500 [kbps] : T = 403

RRCC [kΩ] +667 [ns]

RRCC [kΩ] +474 [ns]

Write current setting

Iwr =

24.0

RWCC [kΩ]

[mA]

530

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