BU8313, BU8313K, BU8315F Selling Leads, Datasheet
MFG:ROHM Package Cooled:QFP D/C:00+
BU8313, BU8313K, BU8315F Datasheet download
Part Number: BU8313
MFG: ROHM
Package Cooled: QFP
D/C: 00+
BU8313, BU8313K, BU8315F
- Table of contents:
Info of BU8313
Info of BU8313K
Info of BU8315F
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About BU8313K
PDF/DataSheet Download
Datasheet: BU8313K
File Size: 236553 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About BU8313K
PDF/DataSheet Download
Datasheet: BU8313K
File Size: 236553 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About BU8315F
PDF/DataSheet Download
Datasheet: BU8315F
File Size: 120960 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
BU8313K General Description
The BU8310AK, BU8311KS, and BU8313K are large-scale integrated circuits for telephones, which enable a serial input
/ output interface between the key input required for telephone panel boards and LED control functions. They reduce
the number of wiring harnesses needed between the main board in the telephone and the panel board, and take some of the processing load off the main CPU.
BU8313K Features
· Keypad matrix interface
· Key input is output as 16-bit serial data.
· Internal chattering prevention circuit built into the key input circuit.
· LED interface
· LED control commands input as 16-bit serial data.
· Bits with a pattern generator and pattern register can be assigned three independent flashing patterns in addition to being lighted or off.
· Power consumption can be reduced using RST pin input.
· LED on and off control can be initiated using ENA pin input or by commands setting all LEDs valid or invalid.
BU8313K Typical Application
·Telephones and cordless telephones
BU8313K Connection Diagram
BU8315F General Description
The BU8315S and BU8315F are LED drivers with a flashing function.
They can be connected in series to panel PCBs in equipment such as telephones, facsimile machines, and copying machines, and to microcomputers of main PCBs, and significantly reduce the amount of wiring required.
They can be connected in series to panel PCBs in equipment such as telephones, facsimile machines, and copying machines, and to microcomputers of main PCBs, and significantly reduce the amount of wiring required.
BU8315F Maximum Ratings
| Parameter | Symbol | Limits | Unit | Conditions | |
| Power supply voltage | VDD | 7.0 | V | ||
| Power dissipation | BU8315S | Pd | 1050*1 | mW | |
| BU8315F | 450*2 | ||||
| Operating temperature | Topr | -25~+75 | |||
| Storage temperature | Tstg | -55~+125 | |||
| Input voltage | VIN | VSS-0.3~VDD+0.3 | V | CS,SCK,SD,RST pins | |
| Output voltage | VOUT | VSS~7.0 | V | L1~L14 pins | |
| Input current | IOUT | 20 | mA | L1~L14 pins | |
*1 Reduced by 10.5mW for each increase in Ta of 1 over 25.
*2 Reduced by 4.5mW for each increase in Ta of 1 over 25.
BU8315F Features
1) LED interface (14-bit serial in/parallel out).
2) Built-in LED automatic flashing function.
2) Built-in LED automatic flashing function.
BU8315F Typical Application
Sets with operation panels, such as telephones, facsimile machines, and copying machines
BU8315F Connection Diagram
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