M74HC4851 Single 8-channel analog MUX/DEMUX with injection current protection Datasheet production data Features Low power dissipation I = 2 A (max.) at T = 25 C CC A SO-16 TSSOP16 Injection current protection V < 1 mV at V = 5 V, I 1 mA OUT CC IN R 3.9 k S Applications ON resistance at T = 25 C A Automotive 215 typ. (V = 3.0 V) CC Computer 160 typ. (V = 4.5 V) CC Consumer 150 typ. (V = 6 V) CC Industrial Fast switching t = 8.6 ns (typ.) at T = 25 C, V = 4.5 V pd A CC Description Wide operating supply voltage range V = 2 V to 6 V CC The M74HC4851 device is a single 8-channel analog multiplexer/demultiplexer manufactured High noise immunity 2 with silicon gate C MOS technology. V = V = 28% V (min.) NIH NIL CC It features injection current effect control which Pin and function compatible with series 4051, makes the device particularly suited for use in 4851 automotive applications where voltages in excess Latch-up performance exceeds 500 mA of normal logic voltages are common. The (JESD 17) injection current effect control allows signals at ESD performance disabled input channels to exceed the supply voltage range or go down to ground without HBM: 2000 V affecting the signal of the enabled analog MM: 200 V channel. CDM: 1000 V This eliminates the need for external diode- resistor networks typically used to keep the analog channel signals within the supply voltage range. Table 1. Device summary Order code Temperature range Package Packaging Marking (1) M74HC4851YRM13TR -40/+125 C SO-16 (automotive grade) Tape and reel 74HC4851Y M74HC4851RM13TR -55/+125 C SO-16 Tape and reel 74HC4851 (1) M74HC4851YTTR -40/+125 C TSSOP16 (automotive grade) Tape and reel HC4851Y M74HC4851TTR -55/+125 C TSSOP16 Tape and reel HC4851 1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 and Q002 or equivalent. October 2012 Doc ID 8640 Rev 7 1/16 This is information on a product in full production. www.st.com 16Pin connections M74HC4851 1 Pin connections Figure 1. Pin connections and IEC logic symbols Table 2. Pin descriptions Pin number Symbol Name and function 3 COM OUT/IN Common output/input 6 INH INHIBIT input 7 NC Not connected 11, 10, 9 A, B, C Select inputs 13, 14, 15, 0 to 7 Independent input/outputs 12, 1, 5, 2, 4 8 GND Ground (0 V) 16 V Positive supply voltage CC 2/16 Doc ID 8640 Rev 7