Datasheet > DS2465P+T

DS2465P+T

更新时间： 2022-03-03 21:49:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
31页	2053K
描述
SHA-256 Coprocessor with 1-Wire Master Function

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DS2465P+T 数据手册

ABRIDGED DATA SHEET

DS2465

SHA-256 Coprocessor with 1-Wire Master Function

ELECTRICAL CHARACTERISTICS (continued)

(T = -40NC to +85NC, unless otherwise noted.) (Note 1)

PARAMETER

Read Sample Time

SYMBOL

CONDITIONS

MIN

11.4

1.4

TYP

MAX

13.1

1.64

UNITS

Standard

Overdrive

Standard

Overdrive

MSR

1.5

See

Table 6

Write-0 Low Time

-5%

+9%

W0L

See

Table 6

Write-0 Recovery Time

Standard and overdrive

+9%

REC0

1-Wire Time Slot

SHA-256 ENGINE

Computation Current

Computation Time

EEPROM

Equal to t

+ t

slot

W0L

CSHA

Refer to the full data sheet.

CSHA

Programming Current

(Notes 3, 7)

PROG

Programming Time for a 32-Bit

Segment

PROG

Write/Erase Cycling Endurance

Data Retention

= +125NC (Notes 8, 9)

100k

—

= +125NC (storage) (Notes 10, 11)

Years

SLPZ PIN

Low Level Input Voltage

-0.5

0.3 O V

0.7 O

High Level Input Voltage

0.5V

Input Leakage Current

Pin at 3.63V (Note 3)

(Note 12)

0.1

Wake-Up Time from Sleep Mode

200

SWUP

I C SCL AND SDA PINS (Note 13)

Low Level Input Voltage

High Level Input Voltage

-0.5

0.3 O V

0.7 O

CC(MAX)

+ 0.5V

Hysteresis of Schmitt Trigger

Inputs

0.05 O

(Note 3)

HYS

Low Level Output Voltage at 3mA

Sink Current

0.4

250

Output Fall Time from V

IH(MIN)

with a Bus Capacitance

(Note 3)

IL(MAX)

from 10pF to 400pF

Pulse Width of Spikes That Are

Suppressed by the Input Filter

(Note 3)

Input Current with an Input

Voltage Between 0.1V

(Notes 3, 14)

-10

+10

CC(MAX)

and 0.9V

CC(MAX)

�� Maxim Integrated Products

1 234 5 6 7...31

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