MC100E457FN ON Semiconductor

MC10E457, MC100E457 5VECL Triple Differential 2:1 Multiplexer Description The MC10E457/100E457 is a 3-bit differential 2:1 multiplexer. The fully differential data path makes the device ideal for multiplexing low MC10E457, MC100E457 SEL2 DaD a V D b D b COMSEL 2 2 BB 2 2 D a 0 H D a 0 Q 25 24 23 22 21 20 19 0 2:1 18 Q SEL1 26 2 MUX D b 0 Q 0 L 17 Q D a 27 D b 2 1 0 SEL0 a 28 16 V D 1 CC Pinout: 28-Lead PLCC 1 15 V Q EE 1 (Top View) D a 1 H 2 14 V Q BB 1 D a Q 1 1 2:1 MUX 3 13 D b Q 1 0 D b 1 Q 1 L D b 1 D b 4 12 Q 1 0 SEL1 56 7 8 9 10 11 SEL0 D a D a V D b D b V 0 0 BB 0 0 CCO D a 2 H * All V and V pins are tied together on the die. D a CC CCO 2 Q 2 2:1 Warning: All V , V , and V pins must be externally CC CCO EE MUX D b 2 Q connected to Power Supply to guarantee proper operation. 2 L D b 2 Figure 1. Pinout Assignment SEL2 COMSEL V BB Figure 2. Logic Diagram Table 1. PIN DESCRIPTION PIN FUNCTION Dn[0:2 ]; Dn[0:2 ] ECL Differential Data Inputs SEL ECL Individual Select Input COMSEL ECL Common Select Input Q [0:2 ], Q[0:2 ] ECL Differential Data Outputs V Reference Voltage Output BB V V Positive Supply CC, CCO V Negative Supply EE Table 2. FUNCTION TABLE SEL Data H a L b