Datasheet > W24257A-20

W24257A-20

更新时间： 2022-11-26 01:22:32

品牌	Logo	应用领域
华邦 - WINBOND		/
页数	文件大小	规格书
11页	227K
描述
32K X 8 High Speed CMOS Static RAM

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数据手册

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W24257A-20 数据手册

W24257A

AC CHARACTERISTICS

(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° C)

Read Cycle

PARAMETER

SYM.

W24257A-10

W24257A-12

W24257A-15

W24257A-20

UNIT

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

Read Cycle Time

TRC

Address Access Time

TAA

Chip Select Access Time

Output Enable to Output Valid

Chip Selection to Output in Low Z

TACS

TAOE

TCLZ

Output Enable to Output in Low Z

Chip Deselection to Output in High Z

Output Disable to Output in High Z

Output Hold from Address Change

TOLZ

TCHZ

TOHZ

TOH

* These parameters are sampled but not 100% tested.

Write Cycle

PARAMETER

SYM.

W24257A-10

W24257A-12

W24257A-15

W24257A-20

UNIT

MIN. MAX. MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

Write Cycle Time

TWC

TCW

TAW

TAS

Chip Selection to End of Write

Address Valid to End of Write

Address Setup Time

Write Pulse Width

TWP

TWR

Write Recovery Time

CS , WE

Data Valid to End of Write

Data Hold from End of Write

Write to Output in High Z

TDW

TDH

TWHZ

Output Disable to Output in High Z

Output Active from End of Write

TOHZ

TOW

* These parameters are sampled but not 100% tested.

Publication Release Date: May 1997

Revision A14

- 5 -

1 2 3 456 7 8...11

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