Fundamental Chip Layouts 14 13 VCC 12 11 10 9 8 14.
Texas Instruments
SN74251 - Data Selectors/Multiplexers
SN54251, SN54LS251 SN54S251, SN74251, SN74LS251, (TIM9905), SN74S251 DATA SELECTORS/MULTIPLEXERS WITH 3ĆSTATE OUTPUTS SDLS085 − DECEMBER 1972 − REVISE.
MUX
74251 - Fundamental Chip Layouts
Fundamental Chip Layouts 14 13 VCC 12 11 10 9 8 14 13 VCC 12 11 10 9 8 16 15 14 13 12 11 GND Q D Q EN 10 9 Q EN EN Q D Q D Q EN Q 7400 GND 6 7 9 8 7.
