SN74LS40D 数据手册 ( 数据表 ) - Motorola => Freescale
生产厂家

Motorola => Freescale
DUAL 4-INPUT NAND BUFFER LOW POWER SCHOTTKY
Dual 4-input NAND buffer
Philips Electronics
Dual 4-Input NAND Buffer
Fairchild Semiconductor
DUAL 4-INPUT NAND BUFFER
Motorola => Freescale
Dual 4-input NAND gate
NXP Semiconductors.
Dual 4-input NAND gate
NXP Semiconductors.
Dual 4-input NAND gate
Philips Electronics
Dual 4-input NAND gate
NXP Semiconductors.
Dual 4-input NAND Gates
Hitachi -> Renesas Electronics
Dual 4-input NAND Gates
Renesas Electronics
Dual 4-Input NAND Gate
Fairchild Semiconductor