MCP23016 查看數據表（PDF） - Microchip Technology

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MCP23016

16-Bit I2C™ I/O Expander

Microchip Technology 

FIGURE 2-1:

RESPONSE TIME

MCP23016

VDD

1

TABLE 2-2: RESPONSE TIME

Parameter

No.

Symbol

Characteristic

1

Response Time

Min Typ† Max Units

Conditions

100 — — ns Minimum time where a VDD

transition from 5.0V to 0.0V to

5.0V will cause a RESET. All

times less than 100 ns will be

filtered.

FIGURE 2-2:

TTP

TEST POINT CLOCK TIMING

2

TABLE 2-3: TEST POINT CLOCK TIMING

Parameter

No.

Symbol

Characteristic

Min Typ† Max Units

Conditions

FTP TP pin Frequency

— 1.0 — MHz Measured at TP pin,

IARES = ‘1’.

2

TTP TP pin CLK Period

— 1.0 — µs Measured at TP pin,

IARES = ‘1’.

† Data in "Typ" column is at 5V, +25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

TABLE 2-4: POWER-UP TIMER REQUIREMENTS

Parameter

No.

Symbol

Characteristic

Min Typ† Max Units

Conditions

3

TPWRT Power-up Timer Period

— 72 — ms

† Data in "Typ" column is at 5V, +25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

© 2007 Microchip Technology Inc.

DS20090C-page 21

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