DS17285S-3/T&R

更新时间： 2024-01-15 22:29:32

品牌	Logo	应用领域
美信 - MAXIM		计时器或实时时钟微控制器和处理器外围集成电路光电二极管
页数	文件大小	规格书
30页	320K
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数据手册

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DS17285S-3/T&R 数据手册

Real-Time Clocks

DC ELECTRICAL CHARACTERISTICS

= 0V, V = 3.0V, T = Over the operating range, unless otherwise noted.) (Note 1)

BAT A

PARAMETER

or V Current (Oscillator

BAUX

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

BAT

(Note 7)

500

700

BAT

On); T = +25°C, V

= 3.0V

BAT

or V

Current

BAUX

BAT

400

BATDR

(Oscillator Off)

AC ELECTRICAL CHARACTERISTICS

= +4.5V to +5.5V, T = Over the operating range, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

240

120

TYP

MAX

UNITS

Cycle Time

CYC

Pulse Width, RD or WR Low

Pulse Width, RD or WR High

Input Rise and Fall

RWL

RWH

t , t

Chip-Select Setup Time Before

RD or WR

Chip-Select Hold Time

Read-Data Hold Time

DHR

Write-Data Hold Time

DHW

Address Setup Time to ALE Fall

Address Hold Time to ALE Fall

ASL

AHL

RD or WR High Setup to ALE

Rise

ASD

Pulse Width ALE High

µs

ASH

Delay Time ALE Low to RD Low

Output Data Delay Time from RD

Data Setup Time

ASED

(Note 8)

120

DDR

DSW

IRQ Release from RD

IRD

_____________________________________________________________________

1 234 5 6 7...30

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