UPD4664312-X

Features:

* 4,194,304 words by 16 bits organization
* Fast access time: 65, 75 ns (MAX.)
* Fast page access time: 18, 25 ns (MAX.)
* Byte data control: /LB (I/O0 to I/O7), /UB (I/O8 to I/O15)
* Low voltage operation:2.7 to 3.1 V (-B65X) 2.7 to 3.1 V (Chip), 1.65 to 2.1 V (I/O) (-BE75X)
* Operating ambient temperature: TA = 25 to +85 °C
* Output Enable input for easy application
* Chip Enable input: /CS pin
* Standby Mode input: MODE pin
* Standby Mode1: Normal standby (Memory cell data hold valid)
* Standby Mode2: Density of memory cell data hold is variable


Specifications

Parameter	Symbol	Condition	Rating		Unit
			-B65X	-BE75X
Supply voltage	VCC		Note 0.5 to +4.0	Note 0.5 to +4.0	V
Input / Output supply voltage	VCCQ			Note 0.5 to +4.0	V
Input / Output voltage	VT		0.5 to VCC + 0.4 (4.0 V MAX.)	0.5 to VCCQ + 0.4 (4.0 V MAX.)	V
Operating ambient temperature	TA		25 to +85	25 to +85	°C
Storage temperature	Tstg		55 to +125	55 to +125	°C

Description

The UPD4664312-X is a high speed, low power, 67,108,864 bits (4,194,304 words by 16 bits) CMOS Mobile Specified RAM featuring Low Power Static RAM compatible function and pin configuration.

The UPD4664312-X is fabricated with advanced CMOS technology using one-transistor memory cell.

The UPD4664312-X is packed in 93-pin TAPE FBGA.