Datasheet > UPD46128512F9-CR2

UPD46128512F9-CR2

更新时间： 2022-11-25 16:35:53

品牌	Logo	应用领域
日电电子 - NEC		/
页数	文件大小	规格书
82页	817K
描述
128M-BIT CMOS MOBILE SPECIFIED RAM 8M-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION

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数据手册

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UPD46128512F9-CR2 数据手册

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μ PD46128512-X

Truth Table

Asynchronous Operation

Mode

/CE1

CE2

/ADV

/OE

/WE

/LB

/UB

/WAIT

DQ0 to DQ7 DQ8 to DQ15

Not selected (Standby Mode 1)

Not selected (Standby Mode 2) ^Note1

Word read

High-Z

DOUT

High-Z

DOUT

High-Z

Note3

Lower byte read

DOUT

High-Z

DOUT

Upper byte read

High-Z

DIN

Output disable

High-Z

DIN

Output disable

Word write

Lower byte write

DIN

High-Z

DIN

Upper byte write

Abort write ^Note2

High-Z

Notes1. CE2 pin must be fixed HIGH except Standby Mode 2 (refer to 2.3 Standby Mode Status Transition).

2. If /WE = LOW and /LB = /UB = HIGH, memory does not accept write data, so write operation is not available.

3. Fixed LOW or toggle HIGH → LOW → HIGH

Remark H, HIGH : V^IH, L, LOW : VIL, ×: VIH or VIL

Clock pin must be fixed either LOW or HIGH.

Preliminary Data Sheet M17507EJ2V0DS

1 2 3 456 7 8...82

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与UPD46128512F9-CR2相关器件

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