DM74S40 Datasheet - Fairchild Semiconductor
MFG CO.

Fairchild Semiconductor
General Description
This device contains two independent gates each of which performs the logic NAND function.
Part Name
Description
View
MFG CO.
DUAL 4-INPUT NAND BUFFER
Motorola => Freescale
Dual 4-input NAND buffer
Philips Electronics
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