The 74HC00, 74HCT00 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC00 / 74HCT00 provide the 2-input NAND function.
Features and benefits :
1. Input levels :
(1) For 74HC00: CMOS level
(2) For 74HCT00: TTL level
2. ESD protection :
(1) HBM JESD22-A114F exceeds 2000 V
(2) MM JESD22-A115-A exceeds 200 V
3. Multiple package options
(1) Specified from -40 °C to +85 °C and from -40°C to +125°C
74HC00 Datasheet PDF Download
Other data sheets within the file : 74HC00BQ, 74HC00D, 74HC00DB, 74HC00N, 74HC00PW
The TDA9370 internal circuit mainly includes: microprocessor (CPU); image IF signal processing circuit; brightness, chrominance processing and demodulation circuit; RGB primary color signal matrix conversion circuit; black level extension, image sharpness enhancement circuit; RGB primary color selection Switch circuit; debug-free line oscillating circuit and line and field excitation pulse forming and output circuit: image state adjustment circuit.
In the figure, the function code of each pin, the signal output/person flow direction (indicated by the arrow) are marked, and the function, voltage and resistance test data of each pin are further described in the form of a table, and the transistor type and application parameters of the TDA9370 peripheral circuit are given. Replacement model. This is a great help for overhauling the TDA9370 super chip color TV.
TDA9370 Datasheet and Circuit
Other data sheets within the file : TDA9370PS, TDA9370PS/N2