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BA829

Rohm

8-bit/ serial IN/ parallel OUT driver

Standard ICs 8-bit, serial IN, parallel OUT driver BA829 The BA829 is an 8-bit, serial input, parallel output driver. T...


Rohm

BA829

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Description
Standard ICs 8-bit, serial IN, parallel OUT driver BA829 The BA829 is an 8-bit, serial input, parallel output driver. This is a monolithic IC developed for use in thermal print heads, LED character displays, and other similar applications. Applications Thermal print head drivers LED character displays Features 1) Can drive up to 300mA. 2) Controlling the strobe terminal with the drive timing pulse enables current to be reduced when drive is not being carried out. 3) Using the data output terminal for the next data input enables secondary connections. 4) The digital ground and power ground are separated. 5) A latch is included between the shift register and driver output. 6) A stand-by function is built in. (10µA typ. at stand-by) Pin assignments CLK PSW DOUT VCC PGND 08 07 06 05 1 2 3 4 5 6 7 8 9 18 LATCH 17 STB 16 DATA 15 LGND 14 PGND 13 01 12 02 11 03 10 04 1 Standard ICs BA829 Block diagram 01 13 02 12 03 11 04 10 05 9 06 8 07 7 08 6 PGND 14 5 POWER GND STB 17 LATCH 4 VCC LATCH 18 LOGIC GND 15 SHIFT REG. CLK 1 3 DATA 16 DOUT 2 POWER ON PSW Absolute maximum ratings (Ta = 25°C) Parameter Applied voltage Power dissipation Operating temperature Storage temperature Input voltage Output voltage Symbol VCC Pd Topr Tstg VIN VOUT Limits 7.0 1100 – 25 ~ + 70 – 55 ~ + 125 – 0.3 ~ VCC 15 Unit V mW °C °C V V 2 Standard ICs BA829 Recommended operating conditions (Topr = – 25 to + 70°C) Parameter Power supply voltage Clock frequency Power setup time Cloc...




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