CD74HC273 - Octal D-Type Flip-Flop
(Texas Instruments)
CD54HC273, CD74HC273 CD54HCT273, CD74HCT273
SCHS174C – FEBRUARY 1998 – REVISED JANUARY 2022
CDx4HC(T)273 High-Speed CMOS Logic Octal D-Type Flip-Flop .
CD74HC27 - Triple 3-Input NOR Gate
(Texas Instruments)
Data sheet acquired from Harris Semiconductor SCHS132C
August 1997 - Revised September 2003
CD54HC27, CD74HC27, CD54HCT27, CD74HCT27
High-Speed CMOS .
CD74HC20 - Dual 4-Input NAND Gates
(Texas Instruments)
CD74HC20, CD54HC20
SCHS130D – AUGUST 1997 – REVISED MAY 2021
CDx4HC20 Dual 4-Input NAND Gates
1 Features
3 Description
• Buffered inputs • Wide ope.
CD74HC20E - Dual 4-Input NAND Gates
(Texas Instruments)
CD74HC20, CD54HC20
SCHS130D – AUGUST 1997 – REVISED MAY 2021
CDx4HC20 Dual 4-Input NAND Gates
1 Features
3 Description
• Buffered inputs • Wide ope.
CD74HC20M - Dual 4-Input NAND Gates
(Texas Instruments)
CD74HC20, CD54HC20
SCHS130D – AUGUST 1997 – REVISED MAY 2021
CDx4HC20 Dual 4-Input NAND Gates
1 Features
3 Description
• Buffered inputs • Wide ope.
CD74HC21 - Dual 4-Input AND Gates
(Texas Instruments)
CD74HC21, CD54HC21
SCHS131D – AUGUST 1997 – REVISED MAY 2021
CDx4HC21 Dual 4-Input AND Gates
1 Features
3 Description
• Buffered inputs • Wide oper.
CD74HC21E - Dual 4-Input AND Gates
(Texas Instruments)
CD74HC21, CD54HC21
SCHS131D – AUGUST 1997 – REVISED MAY 2021
CDx4HC21 Dual 4-Input AND Gates
1 Features
3 Description
• Buffered inputs • Wide oper.
CD74HC21M - Dual 4-Input AND Gates
(Texas Instruments)
CD74HC21, CD54HC21
SCHS131D – AUGUST 1997 – REVISED MAY 2021
CDx4HC21 Dual 4-Input AND Gates
1 Features
3 Description
• Buffered inputs • Wide oper.