MAX7322 datasheet(11/17 Pages) MAXIM

Part #	MAX7322

Description	I2C Port Expander with 4 Push-Pull Outputs

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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11 / 17 page

I2C Port Expander with 4 Push-Pull Outputs

and 4 Open-Drain I/Os

______________________________________________________________________________________

11

SDA

SCL

.

11

A3

A2

A1

A0

0

R/W

MSB

LSB

ACK

Figure 5. Slave Address

SCL

MAX7321 SLAVE ADDRESS

S1

1

0

A

P

1

PORT I/O

tIV

N

P0

P1

P2

P3

P4

P5

P6

P7

D0

D1

D2

D3

D4

D5

D6

D7

PORT I/O

INT OUTPUT

R/W

PORT SNAPSHOT

tPH

tIR

PORT SNAPSHOT

tPSU

tIP

INT REMAINS HIGH UNTIL STOP CONDITION

DATA

Figure 6. Reading the MAX7323 (1 Data Byte)

SCL

MAX7321 SLAVE ADDRESS

S1

1

0

A

P

1

PORTS

INT OUTPUT

R/W

PORT SNAPSHOT

tIV

tPH

tIR

A

D0

D1

D2

D3

D4

D5

D6

D7

PORT SNAPSHOT

tPSU

tIP

D7

D6

D5

D4

D3

D2

D1

D0

N

PORT SNAPSHOT

INT REMAINS HIGH UNTIL STOP CONDITION

S = START CONDITION

P = STOP CONDITION

SHADED = SLAVE TRANSMISSION

A = ACKNOWLEDGE

N = NOT ACKNOWLEDGE

O0

O1

P2

P3

P4

P5

O6

O7

0

F2

F3

F4

F5

0

PORT I/O

INTERRUPT FLAGS

Figure 7. Reading the MAX7323 (2 Data Bytes)

Similar Part No. - MAX7322

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX7322	215Kb / 18P	I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs Rev 1; 9/06
	MAX7322	214Kb / 14P	I2C Port Expander with Eight Push-Pull Outputs Rev 0; 10/05
	MAX7322AEE++	215Kb / 18P	I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs Rev 1; 9/06
	MAX7322AEE++	1,020Kb / 16P	I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs Rev 2; 5/14
	MAX7322ATE++	215Kb / 18P	I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs Rev 1; 9/06

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Similar Description - MAX7322

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX7320	845Kb / 14P	I2C Port Expander with Eight Push-Pull Outputs Rev 1; 4/15
	MAX7320	214Kb / 14P	I2C Port Expander with Eight Push-Pull Outputs Rev 0; 10/05
	MAX7322	1,020Kb / 16P	I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs Rev 2; 5/14
	MAX7322	215Kb / 18P	I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs Rev 1; 9/06
	MAX7324	979Kb / 18P	I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs Rev 1; 5/14
	MAX7324	261Kb / 20P	I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs Rev 0; 10/06
	MAX7323	1,006Kb / 15P	I2C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os 19-3806; Rev 2; 5/14
	MAX7327	1Mb / 21P	I2C Port Expander with 12 Push-Pull Outputs and 4 Open-Drain I/Os Rev 0; 8/06
	MAX7327	971Kb / 17P	I2C Port Expander with 12 Push-Pull Outputs and 4 Open-Drain I/Os 19-3805; Rev 1; 5/14
	MAX7326	966Kb / 18P	I 2C Port Expander with 12 Push-Pull Outputs and 4 Inputs 19-3804; Rev 1; 5/14

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