Epson LQ-510 - Ttl

REV.-A
APPENDIX
A.1.1.8 TTL
The internal circuitry of the TTLs is shown below.
GND
Vcc
GND
Figure A-18. 74LS06 Internal Circuit
Figure A-19. 74LS07 Internal Circuit
1A 1B
1Y 2A 2B 2Y GND
Figure A-20. 74LS38 Internal Circuit
DATA INPUTS
DATA SELECT
Figure A-21. 74LS152 Internal Circuit
LQ-510
A-15