Datasheet > CAT9954AHV4I-T2

CAT9954AHV4I-T2

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
CATALYST		/
页数	文件大小	规格书
16页	267K
描述
8-bit I2C and SMBus I/O Port with Interrupt

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CAT9954AHV4I-T2 数据手册

CAT9554, CAT9554A

A.C. CHARACTERISTICS

V_CC= 2.3V to 5.5V, T_A= -40°C to +85°C, unless otherwise specified⁽¹⁾.

Symbol

f_SCL

Parameter

Min

Max

400

Units

kHz

Clock Frequency

t_SP

Input Filter Spike Suppression (SDA, SCL)

Clock Low Period

t_LOW

1.3

0.6

µs

t_HIGH

Clock High Period

µs

(2)

t_R

SDA and SCL Rise Time

300

(2)

t_F

SDA and SCL Fall Time

t_HD:STA

t_SU:STA

t_HD:DAT

t_SU:DAT

t_SU:STO

t_AA

Start Condition Hold Time

Start Condition Setup Time (for a Repeated Start)

Data Input Hold Time

0.6

µs

Data In Setup Time

100

0.6

Stop Condition Setup Time

SCL Low to Data Out Valid

Data Out Hold Time

µs

900

200

t_DH

(2)

t_BUF

Time the Bus must be Free Before a New Transmission Can Start

1.3

µs

Port Timing

t_PV

t_PS

t_PH

Output Data Valid

µs

Input Data Setup Time

Input Data Hold Time

100

Interrupt Timing

t_IV

t_IR

Interrupt Valid

Interrupt Reset

µs

Notes:

1. Test conditions according to "AC Test Conditions" table.

2. This parameter is characterized initially and after a design or process change that affects the parameter. Not 100% tested.

Characteristics subject to change without notice

Doc. No. 25088, Rev. B

1 2 345 6 7...16

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