Datasheet CD54HC123, CD74HC123, CD54HCT123, CD74HCT123, CD74HC423, CD74HCT423 (Texas Instruments) - 2

ManufacturerTexas Instruments
DescriptionHigh-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets
Pages / Page22 / 2 — CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423. Pinout. Functional …
RevisionF
File Format / SizePDF / 1.0 Mb
Document LanguageEnglish

CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423. Pinout. Functional Diagram. CD54HC123, CD54HCT123. 1Cx. 1Rx. (CERDIP). CD74HC123

CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423 Pinout Functional Diagram CD54HC123, CD54HCT123 1Cx 1Rx (CERDIP) CD74HC123

Text Version of Document

CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423 Pinout Functional Diagram CD54HC123, CD54HCT123 1Cx 1Rx (CERDIP) V CD74HC123 CC 14 15 (PDIP, SOIC, SOP, TSSOP) 1Cx 1RxCx CD74HC423 13 (PDIP, SOIC, SOP) 1A 1Q 1 CD74HCT123, CD74HCT423 MONO 1 4 (PDIP, SOIC) 1B 1Q
TOP VIEW
2 1R 3 1A 1 16 VCC 11 1B 2 15 1R 2R XCX 9 5 1R 3 14 1CX 2A 2Q 1Q 4 13 1Q MONO 2 10 12 2B 2Q 2Q 5 12 2Q 2Cx 2RxCx 2C 6 11 X 2R 6 7 2R 7 10 XCX 2B VCC 2Cx 2Rx GND 8 9 2A TRUTH TABLE INPUTS OUTPUTS A B R Q Q CD74HC/HCT123
H X H L H X L H L H L ↑ H ↓ H H X X L L H L H ↑
CD74HC/HCT423
H X H L H X L H L H L ↑ H ↓ H H X X L L H H = High Voltage Level, L = Low Voltage Level, X = Don’t Care. 2