VL1772-02PC
Category: IC Chips
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VL1772-02PC
VL1772-02PC has several brands around the world that may have alternate names for VL1772-02PC due to regional differences or acquisition. VL1772-02PC may also be known as the following names:
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Description
VL1772-02PC
Stock:0 |
VLSI 00+ |
|
Inquiry |
VL1772-02PC FLOPPY DISK CONTROLLER/ FORMATTER Description
It is an LSI device as it performs the functions of a floppy disk controller and formatter. It is designed for single or double density operation. It is available in dual in line (DIP) package.
VL1772-02PC Features
● It has following features
● It has built-in data separator
● It has built-in pre compensation
● It has single and double density
● It has fast step rates
● It has single 5volts supply
● It has 8 bit bidirectional data bus
Pin Description
Pin | Pin Name | Description |
1 | CS | This pin is reserved for chip select. It works on active low signal |
2 | R/W | This pin is reserved for read/ write. The write pin works on active low signal and read pin works on active high signal |
3 | A0 | This pin is reserved for register to read or write data |
4 | A1 | This pin is reserved for register to read or write data |
5 | DAL0 | This pin is reserved for bidirectional data access line for transfer of data. |
6 | DAL1 | This pin is reserved for bidirectional data access line for transfer of data. |
7 | DAL2 | This pin is reserved for bidirectional data access line for transfer of data. |
8 | DAL3 | This pin is reserved for bidirectional data access line for transfer of data. |
9 | DAL4 | This pin is reserved for bidirectional data access line for transfer of data. |
10 | DAL5 | This pin is reserved for bidirectional data access line for transfer of data. |
11 | DAL6 | This pin is reserved for bidirectional data access line for transfer of data. |
12 | DAL7 | This pin is reserved for bidirectional data access line for transfer of data. |
13 | MR | This pin is reserved for master reset |
14 | GND | This pin is reserved for ground |
15 | VCC | This pin is reserved for positive power supply |
16 | STEP | This pin is reserved for step output that gives pulse for each step of the drive’s R/W |
17 | DIRC | This pin is reserved for direction input |
18 | CLK | This pin is reserved for clock input |
19 | RD | This pin is reserved for read data. It works on active low signal |
20 | MO | This pin is reserved for motor on |
21 | WG | This pin is reserved for write gate |
22 | WD | This pin is reserved for write data |
23 | TROO | This pin is reserved for track 0 to inform the controller that the R/W head is positioned on track 0 |
24 | IP | This pin is reserved for index pulse |
25 | WPRT | This pin is reserved for write protect. It works on active low signal |
26 | DDEN | This pin is reserved for double density enable |
27 | DRQ | This pin is reserved for data request |
28 | INTRQ | This pin is reserved for interrupt request |
VL1772-02PC Applications
It is used in following application
IBM Personal Computers
The alternative of VL1772-02 PC is AN7516SH
It is equivalent to 82078 as it has same features.
Conclusion: It was used in old IBM personal computers for controlling and formatting floppy disk.
E-catalog
Freight calculation
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
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