Datasheet General Purpose CMOS Logic IC Quad 2ch Analog Multiplexer/Demultiplexer BU4551B BU4551BF BU4551BFV General Description Key Specifications The BU4551B, BU4551BF, BU4551BFV are Operating Supply Voltage Range: 3V to 16V multiplexers/demultiplexers with capabilities of Input Voltage Range: V to V SS DD selection and mixture of analog signal and digital Operating Temperature Range: -40C to +85C signal. This series are configured with quad 2 channels Packages W(Typ) x D(Typ) x H(Max) input/output. The digital signal of the control terminal DIP16 19.40mm x 6.50mm x 7.95mm turns on the corresponding switch of each channel. SOP16 10.00mm x 6.20mm x 1.71mm The large am plitude voltage (V -V ) can be DD EE SSOP-B16 5.00mm x 6.40mm x 1.35mm switched by the control signal with small logical amplitude voltage (V -V ). DD SS Features Low power consumption Wide operating supply voltage High input impedance DIP16 SOP16 SSOP-B16 Truth Table CONTROL ON SWITCH 0 W0,X0,Y0,Z0 1 W1,X1,Y1,Z1 Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0RDR0GZ00310-1-2 2015 ROHM Co., Ltd. All rights reserved. 1/16 TSZ22111 14 001 08.Jan.2015 Rev.001 BU4551B BU4551BF BU4551BFV Pin Configuration (TOP VIEW) 1 16 W1 VDD 2 15 X0 W0 3 14 X1 W 4 13 X Z 5 12 Y Z1 6 11 Z0 Y0 7 10 VEE Y1 8 VSS 9 CONTROL Pin Description Pin No. Pin Name I/O Function 1 W1 I/O Analog Switch Input / Output Analog Switch Input / Output 2 X0 I/O Analog Switch Input / Output 3 X1 I/O Analog Switch Input / Output 4 X I/O 5 Y I/O Analog Switch Input / Output 6 Y0 I/O Analog Switch Input / Output 7 VEE Power Supply(-) 8 VSS Power Supply(-) 9 CONTROL I Control Input 10 Y1 I/O Analog Switch Input / Output 11 Z0 I/O Analog Switch Input / Output Analog Switch Input / Output 12 Z1 I/O Analog Switch Input / Output 13 Z I/O Analog Switch Input / Output 14 W I/O Analog Switch Input / Output 15 W0 I/O 16 VDD Power Supply (+) www.rohm.com TSZ02201-0RDR0GZ00310-1-2 2015 ROHM Co., Ltd. All rights reserved. 2/16 TSZ22111 15 001 08.Jan.2015 Rev.001