UPD6464A

Features:

* Video signal input/output
* Number of display charact
* Number of character types
* Character size
* Character color
* Background
* Dot matrix
* Blinking
* Character signal output:
* Video RAM data clear
* Supported video signal metho
* Internal circuit
* Interface with microcomputer
* Supply voltage


Pinout




Specifications

Parameter	Symbol	UPD6464ACS, 6465CS	UPD6464AGT, 6465GT	Unit
Supply voltage	VDD	7		V
Input pin voltage	VIN	0.3 to VDD +0.3		V
Output pin voltage	VOUT	0.3 to VDD +0.3		V
Permissible package power dissipation (TA = 75 °C)	PD	470	320	mW
Operating ambient temperature	TA	20 to +75		°C
Storage temperature	Tstg	40 to +125		°C
Output current	IO	±5		mA

Description

The PD6464A,6465 are CMOS LSIs for on-screen character display that control various display systems (such as tape counters) including the program screens of deck-type VCRs and LD players.  These LSIs are used in combination with a microcomputer.

It can display characters each consisting of 12 (horizontal) by 18 (vertical) dots.  Some chinese characters and some pictograms can also be displayed by combining two or more characters.