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What is UPD4664312-X?

This electronic component, produced by the manufacturer "NEC", performs the same function as "64M-BIT CMOS MOBILE SPECIFIED RAM 4M-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION".


UPD4664312-X Datasheet PDF - NEC

Part Number UPD4664312-X
Description 64M-BIT CMOS MOBILE SPECIFIED RAM 4M-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
Manufacturers NEC 
Logo NEC Logo 


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PRELIMINARY DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4664312-X
64M-BIT CMOS MOBILE SPECIFIED RAM
4M-WORD BY 16-BIT
EXTENDED TEMPERATURE OPERATION
Description
The µPD4664312-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 µPD4664312-X is fabricated with advanced CMOS technology using one-transistor memory cell.
The µPD4664312-X is packed in 93-pin TAPE FBGA.
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
www.DataShµePeDt44U6.6c4o3m12
Access
time
ns (MAX.)
Operating supply
voltage
V
Operating
ambient At operating
temperature mA (MAX.)
Supply current
At standby µA (MAX.)
Density of data hold
Chip
I/O
°C
64M bits 16M bits 8M bits 4M bits 0M bit
-B65X
-BE75X Note
65 2.7 to 3.1 – –25 to +85 45 100 60 50 45 10
75 2.7 to 3.1 1.65 to 2.1
40
Note Under development
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. M15867EJ5V0DS00 (5th edition)
Date Published August 2002 NS CP (K)
Printed in Japan
The mark  shows major revised points.
©
2001

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UPD4664312-X equivalent
Block Diagram
VCC
VCCQ
GND
A0
A21
I/O0 to I/O7
I/O8 to I/O15
µPD4664312-X
Standby mode control
Refresh
control
Refresh
counter
Address
buffer
Row
decoder
Input data
controller
Memory cell array
67,108,864 bits
Sense amplifier /
Switching circuit
Column decoder
Address buffer
Output data
controller
/CS
MODE
www.DataSheet4U.com
/LB
/UB
/WE
/OE
Remark VCCQ is the input / output power supply for -BE75X.
Preliminary Data Sheet M15867EJ5V0DS
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD4664312-X electronic component.


Information Total 30 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
UPD4664312-XThe function is 64M-BIT CMOS MOBILE SPECIFIED RAM 4M-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION. NECNEC

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