PC847 PDF File ( Datasheet )

PC827, PC847 PC827, PC847 High Density Mounting Type Photocoupler Lead forming type (I type) and taping reel type (P type) are also available. T V (VDE0884) approved type is also available as an option. - Features 1. Current transfer ratio (CTR:MIN. 50% at IF=5mA,VCE=5V) 2. High isolation voltage between input and output (Viso (rms):5kV) - Outline Dimensions PC827 2.54±0.25 87 65 (Unit : mm) Internal connection diagram 87 65 PC817 PC817 6.5±0.5 3. Compact dual-in-line package PC

PC8477B (SuperFDC) Advanced Floppy Disk Controller August 1993 PC8477B (SuperFDC TM ) Advanced Floppy Disk Controller General Description The PC8477B CMOS advanced floppy disk controller is an enhanced version of National’s DP8473 floppy controller The PC8477B is software compatible with the DP8473 and NEC mPD765 floppy disk controllers In addition it is pin and software compatible with the Intel 82077AA floppy controller The PC8477B a 24 MH- crystal a device chip select and a resistor packa