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MD51V64405

16,777,216-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE WITH EDO

Oki Electric Industry 

E2G0137-18-11

¡ ¡ SemicondSucetormiconductor

This versionM: DM5a1rV. 169494805

MD51V64405

16,777,216-Word ¥ 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE WITH EDO

DESCRIPTION

The MD51V64405 is a 16,777,216-word ¥ 4-bit dynamic RAM fabricated in Oki's silicon-gate CMOS

technology. The MD51V64405 achieves high integration, high-speed operation, and low-power

consumption because Oki manufactures the device in a quadruple-layer polysilicon/double-layer

metal CMOS process. The MD51V64405 is available in a 32-pin plastic SOJ or 32-pin plastic TSOP.

FEATURES

• 16,777,216-word ¥ 4-bit configuration

• Single 3.3 V power supply, ±0.3 V tolerance

• Input : LVTTL compatible, low input capacitance

• Output : LVTTL compatible, 3-state

• Refresh :

RAS-only refresh

: 8192 cycles/64 ms

CAS before RAS refresh, hidden refresh

: 4096 cycles/64 ms

• Fast page mode with EDO, read modify write capability

• CAS before RAS refresh, hidden refresh, RAS-only refresh capability

• Package options:

32-pin 400 mil plastic SOJ

(SOJ32-P-400-1.27) (Product : MD51V64405-xxJA)

32-pin 400 mil plastic TSOP (TSOPII32-P-400-1.27-K) (Product : MD51V64405-xxTA)

xx indicates speed rank.

PRODUCT FAMILY

Family

MD51V64405-50

MD51V64405-60

Access Time (Max.) Cycle Time

Power Dissipation

tRAC tAA tCAC tOEA

(Min.) Operating (Max.) Standby (Max.)

50 ns 25 ns 13 ns 13 ns

60 ns 30 ns 15 ns 15 ns

84 ns

104 ns

504 mW

432 mW

1.8 mW

1/15

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