The 74HCT00D is a high-speed Si-gate CMOS Device that comply with JEDEC standard number 7A. They are pin compatible with Low-power Schottky TTL (LSTTL). This provides a quad 2-input NAND function.
TTL Input level
±1µA Input leakage current
40µA Supply current
29ns Propagation delay
22ns Transition time
ESD sensitive device, take proper precaution while handling the device.