Category Description Sub-section Begins with
TTL High Speed C-MOS
74HC..
74HC191
4 Bit Bin. Up/Down Counter
74HC192
BCD/Decade Up/Down Counter
74HC193 /ROHS
4-bit Bin. Up/Down Counter
74HC194
4 bit Right/Left Shift Reg.
74HC195
4 bit Shift Register
74HC20
Dual 4 Input NAND Gate
74HC20 /ROHS
Dual 4 Input NAND Gate
74HC21
Dual 4 Input AND Gate
74HC21 /ROHS
Dual 4 Input AND Gate
74HC221 /ROHS
Dual Monostable Multivibrator
74HC22106
74HC237
3 to 8 Line Decoder Latch
74HC238 /ROHS
3 to 8 Line Decoder
74HC239
74HC240
Octal Inverting Buf./Linedrive
74HC240 /ROHS
Octal Inverting Buf./Linedrive
74HC241
Octal Buffer/Line Driver TS
74HC242
Quad Bus Transceiver Inv. TS
74HC243 /ROHS
Quad Bus Transceiver TS
74HC243D /ROHS
Quad Bus Transceiver TS SO-14