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T6B70AF

Toshiba Semiconductor
Part Number T6B70AF
Manufacturer Toshiba Semiconductor
Description Interface IC
Published Sep 6, 2008
Detailed Description T6B70AF Preliminary TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic T6B70AF Interface IC for Water Heater ...
Datasheet PDF File T6B70AF PDF File

T6B70AF
T6B70AF

Overview
T6B70AF Preliminary TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic T6B70AF Interface IC for Water Heater The T6B70A incorporates two-channel 4-bit DA converter, a pseudo sine wave generator and an external analog signal detection/non-detection circuit.
It is designed to be used mainly for communication between water heater and control unit.
www.
DataSheet4U.
com Features · · · · On-chip two-channel 4-bit DA converter (opposite polarities) On-chip pseudo sine wave generator (external clock/16) On-chip external analog signal detection/non-detection circuit On-chip two-channel analog switch Weight: 0.
16 g (typ.
) Block Diagram OSCIN 1 OSCOUT 2 FOUT 3 SCTL Divide-by16 unit Pseudo sine wave generator 0°C 180°C 4-bit DA converter 4-bit DA converter 13 SOUT+ 12 SOUT− 16 VDD Waveform initialization block 4 Modulation control circuit Zero-cross waveform shaping circuit Amplifier input circuit SW1IN 14 SW1OUT 15 7 AMPIN 6 AMPOUT Cycle measurement counter SW2IN 11 SW2OUT 10 RESET Analog signal detection/non-detection Reset circuit Output buffer 8 VSS 9 DOUT 5 1 2002-02-28 T6B70AF Pin Assignment OSCIN OSCOUT FOUT SCTL RESET 1 2 3 4 T6B70AF 5 6 7 8 16 15 14 13 12 11 10 9 VDD SW1OUT SW1IN SOUT+ SOUT− SW2IN SW2OUT DOUT AMPOUT www.
DataSheet4U.
com AMPIN VSS Pin Function No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol OSCIN OSCOUT FOUT SCTL RESET Input/Output Input Output Output Input Input Output Input ― Output Output Input Output Output Input Output ― Function Pins connected to oscillation Pins connected to oscillation Output pin for oscillation waveform shaping circuit Modulation control signal input pin Reset signal input pin Amplifier signal output pin Amplifier signal input pin Device GND pin (0 V) Output pin for amplifier input signal detector Output pin on analog SW2 side Input pin on analog SW2 side Pseudo sine wave (opposite polarity of SOUT+ output) output pin Pseudo sine wave output pin Input pin on analog SW1 side Output pin on a...


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