MC100E241FNR2G ON Semiconductor

MC100E241 5V ECL 8-Bit Scannable Register Description The MC100E241 is an 8-bit shiftable register. Unlike a standard universal shift register such as the E141, the E241 features internal MC100E241 SEL0 NC D D D V Q S-IN 7 6 5 CCO 7 D Q Q 1 1 0 25 24 23 22 21 20 19 SEL1 26 18 Q 6 D 0 0 0 R CLK 27 17 Q 5 MR 28 16 V CC 1 1 D Q Q Q 1 6 1 V 15 NC EE Pinout: 28-Lead PLCC D D 1 6 0 0 R (Top View) S-IN 2 14 V CCO BITS 16 D 3 13 Q 0 4 D 4 12 Q 1 1 D Q Q 1 3 7 567 89 10 11 D 0 0 7 R D D D V Q Q Q HOLD/LOAD 2 3 4 CCO 0 1 2 SHIFT * All V and V pins are tied together on the die. CC CCO CLK Warning: All V , V , and V pins must be externally CC CCO EE MR connected to Power Supply to guarantee proper operation. Figure 1. Pinout Assignment Figure 2. Logic Diagram Table 1. PIN DESCRIPTION PIN FUNCTION D D ECL Parallel Date Inputs 0 7 S-IN ECL Serial Data Inputs SEL0 ECL SHIFT Control SEL1 ECL HOLD/LOAD Control CLK ECL Clock MR ECL Master Reset Q Q ECL Data Outputs 0 7 V , V Positive Supply CC CCO V Negative Supply EE NC No Connect Table 2. FUNCTION TABLE MR SEL0 SEL1 Function 1 X X Outputs LOW 0 1 X Shift Data 0 0 1 Hold Data 0 0 0 Load Data X = Dont Care