Datasheet > 存储 > OTP ROM> CY7C263-55WC

CY7C263-55WC

更新时间： 2024-02-06 21:11:07

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		开关电源开关可编程只读存储器
页数	文件大小	规格书
16页	481K
描述
8K x 8 Power-Switched and Reprogrammable PROM

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中文翻译

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数据手册

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CY7C263-55WC 数据手册

CY7C261

CY7C263/CY7C264

AC Test Loads and Waveforms^[4]

Test Load for -20 through -30 speeds

R1 500

R1 500Ω

(658Ω MIL)

3.0V

GND

90%

OUTPUT

10%

R2 333Ω

(403Ω MIL)

R2 333Ω

(403Ω MIL)

30 pF

5 pF

≤ 5 ns

INCLUDING

JIG AND

SCOPE

INCLUDING

JIG AND

SCOPE

(a) Normal Load

(b) HighZ Load

Equivalent to:

OUTPUT

THÉVENIN EQUIVALENT

200Ω (250Ω MIL)

2.0V(1.9VMIL)

Test Load for -35 through -55 speeds

R1250Ω

R1 250Ω

OUTPUT

30pF

5 pF

R2167 Ω

INCLUDING

JIG AND

SCOPE

INCLUDING

JIG AND

SCOPE

(d) HighZ Load

Equivalent to: THÉVENINEQUIVALENT

100Ω

OUTPUT

2.0V

Switching Characteristics Over the Operating Range ^[2,3,4

]

7C261-20

7C263-20

7C264-20

7C261-25

7C263-25

7C264-25

7C261-35

7C263-35

7C264-35

7C261-45

7C263-45

7C264-45

7C261-55

7C263-55

7C264-55

Parameter

t_AA

Description

Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit

Address to Output Valid

t_HZCS1

Chip Select Inactive to High Z

(7C263 and 7C264)

t_HZCS2

t_ACS1

t_ACS2

t_PU

Chip Select Inactive to High Z

(7C261)

Chip Select Active to Output Valid

(7C263 and 7C264)

Chip Select Active to Output Valid

(7C261)

Chip Select Active to Power-Up

(7C261)

t_PD

Chip Select Inactive to

Power-Down (7C261)

Document #: 38-04010 Rev. **

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