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HY51V64404A,HY51V65404A

16Mx4, Extended Data Out mode

2nd Generation

DESCRIPTION

This family is a 64M bit dynamic RAM organized 16,777,216 x 4-bit configuration with Extended Data Out mode CMOS

DRAMs. Extended data out mode is a kind of page mode which is useful for the read operation. The circuit and process

design allow this device to achieve high performance and low power dissipation. Optional features are access time(50 or

60ns) and refresh cycle(8K ref. or 4K ref.)and package(SOJ or TSOP-ll) and power consumption (Normal or Low power

with self refresh). Hyundai鈥檚 advanced circuit design and process technology allow this device to achieve high bandwidth,

low power consumption and high reliability.

FEATURES

鷗

Extended data out operation

鷗

Read-modify-write capability

鷗

Multi-bit parallel test capability

鷗

LVTTL(3.3V) compatible inputs and outputs

鷗

/CAS-before-/RAS, /RAS-only, Hidden and

Self refresh capability

鷗

Max. Active power dissipation

Speed

50

60

鷗

Refresh cycle

Part number

HY51V64404A

1)

HY51V65404A

2)

Refresh

8K

64ms

4K

128ms

Normal

L-part

8K refresh

396mW

324mW

4K refresh

504mW

432mW

鷗

JEDEC standard pinout

32-pin plastic SOJ/TSOP-II (400mil)

鷗

Single power supply of 3.3

鹵

0.3V

鷗

Early write or output enable controlled write

鷗

Fast access time and cycle time

Speed

50

60

tRAC

50ns

60ns

tCAC

13ns

15ns

tHPC

20ns

25ns

1) Normal read / write, /RAS only refresh : 8K cycles / 64ms

/CAS-before-/RAS, Hidden refresh

: 4K cycles / 64ms

2) Normal read / write, /RAS only refresh : 4K cycles / 64ms

/CAS-before-/RAS, Hidden refresh

: 4K cycles / 64ms

ORDERING INFORMATION

Part Name

HY51V64404ATC

HY51V64404ALTC

HY51V64404ASLTC

HY51V65404ATC

HY51V65404ALTC

HY51V65404ASLTC

*SL : Self refresh with low power.

Refresh

8K

8K

8K

4K

4K

4K

Power

Package

32Pin SOJ/TSOP-II

L-part

*SL-part

32Pin SOJ/TSOP-II

32Pin SOJ/TSOP-II

32Pin SOJ/TSOP-II

L-part

*SL-part

32Pin SOJ/TSOP-II

32Pin SOJ/TSOP-II

This document is a general product description and is subject to change without notice. Hyundai electronics does not assume any responsibility for use of

circuits described. No patent licences are implied

Hyundai Semiconductor

Rev.10/Sep.98

1

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