Texas Instruments(德州仪器)

CMOS Dual 4-Bit Latch 24-CDIP SB -55 to 125

Rochester Electronics

4000/14000/40000 SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP24, PACKAGE-24

Renesas(瑞萨电子)

4000/14000/40000 SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, DIP24, DIP-24