MAX7367EUP MAXIM [Maxim Integrated Products], MAX7367EUP Datasheet

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MAX7367EUP

Manufacturer Part Number
MAX7367EUP
Description
4-Channel I2C Switches/Multiplexer
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet

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MAX7367EUP
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The MAX7367/MAX7368/MAX7369 bidirectional, four-
channel I
bus up to four extended buses. The MAX7369 1:4
multiplexer connects the main I
at a time. The MAX7367/MAX7368 four-channel
switches connect the main I
channels at a time.
These devices isolate bus loading by extending the I
bus onto different channels. The MAX7367/MAX7368/
MAX7369 allow more devices to be interconnected to a
master controller and multiple devices with the same
I
are selected through the main I
internal control register of the device.
Any device connected to an I
receive signals. The MAX7367/MAX7368/MAX7369 are
transparent to signals sent and received at each chan-
nel, allowing multiple masters. These devices are com-
patible with the I
synchronization, and arbitration in case multiple mas-
ters address the bus at the same time.
All devices are set to the default state during initial
power-up. The MAX7367/MAX7368 have a RESET input
allowing external circuitry to set the MAX7367/MAX7368
to its default state anytime after the device has pow-
ered up. The MAX7367/MAX7369 have interrupt inputs,
allowing devices on the extended bus to send an inter-
rupt signal to the master on the main bus.
The MAX7367/MAX7369 are available in 20-pin TSSOP
packages, and the MAX7368 is available in a 16-pin
TSSOP package. All devices operate over the -40°C to
+85°C extended temperature range.
19-0644; Rev 2; 2/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
2
C address to communicate to a master. The channels
Servers
RAID
Cellular Phones
Base Stations
PCs
Multimedia Electronics
SAN/NAS
2
C switches/multiplexer expand the main I
________________________________________________________________ Maxim Integrated Products
2
C protocol of clock stretch,
General Description
4-Channel I
2
2
C bus can transmit and
2
C bus to one or more
2
C bus by writing to the
C bus to one channel
Applications
2
2
C
C
2
C Switches/Multiplexer
o Four-Channel, Bidirectional Bus Expansion
o Voltage-Level Translation
o Low 6µA (typ) Supply Current, 0.1µA (typ)
o Low 16Ω (typ) On-Resistance
o Channel Selection Through I
o I
o Device Address Selection
o Bus-Loading Isolation
o Support Clock Stretch, Synchronization, and
o Hot Insertion
o 2.3V to 5.5V Supply Voltage Range
o 5V-Tolerant Inputs
o Interrupt from Extended Buses
o Hardware Reset (MAX7367/MAX7368)
+ Denotes a lead(Pb)-free/RoHS-compliant package.
MAX7367EUP+
MAX7368EUE+
MAX7369EUP+
Pin Configurations continued at end of data sheet.
Standby Current
Arbitration
(MAX7367/MAX7369)
2
C-Compatible Normal or Fast Mode
TOP VIEW
Up to Four Addresses (MAX7367)
Up to Eight Addresses (MAX7368/MAX7369)
PART
RESET
INT0
INT1
GND
SD0
SC0
SD1
SC1
A0
A1
10
1
2
3
4
5
6
7
8
9
+
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
MAX7367
TSSOP
Pin Configurations
2
C
20
19
18
17
16
15
14
13
12
11
V
SDA
SCL
INT
SC3
SD3
INT3
SC2
SD2
INT2
DD
Features
PIN-
PACKAGE
20 TSSOP
16 TSSOP
20 TSSOP
1

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MAX7367EUP Summary of contents

Page 1

... Bus-Loading Isolation o Support Clock Stretch, Synchronization, and Arbitration o Hot Insertion o 2.3V to 5.5V Supply Voltage Range o 5V-Tolerant Inputs o Interrupt from Extended Buses (MAX7367/MAX7369) o Hardware Reset (MAX7367/MAX7368) PART MAX7367EUP+ MAX7368EUE+ MAX7369EUP+ + Denotes a lead(Pb)-free/RoHS-compliant package. Applications TOP VIEW Pin Configurations continued at end of data sheet. Features 2 C ...

Page 2

I C Switches/Multiplexer ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +6.0V DD All Other Pins to GND............................................-0.3V to +6.0V Input Currents V ...............................................................................100mA DD GND ..............................................................................100mA All Input Pins.................................................................±20mA Output Current ....................................................................25mA Stresses beyond those listed under ...

Page 3

I ELECRTICAL CHARACTERISTICS (3.3V SUPPLY) (continued 2.3V to 3.6V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL PASS GATE Switch On-Resistance R ON Switch Output Voltage V PASS ...

Page 4

I C Switches/Multiplexer ELECRTICAL CHARACTERISTICS (5V SUPPLY) (continued 4.5V to 5.5V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL Input Leakage Current I L Input Capacitance C ...

Page 5

I TIMING CHARACTERISTICS (Figure 1) (continued 2.3V to 5.5V -40°C to +85°C, unless otherwise noted.) (Note PARAMETER SYMBOL Fall Time of Both SDA and SCL Signals Capacitive Load for Each Bus Line ...

Page 6

I C Switches/Multiplexer INT_ INT Figure 2. INT Timing Diagram SCL SDA RESET Figure 3. RESET Timing Diagram 6 _______________________________________________________________________________________ 50 W(REJ)L W(REJ)H 50% t REC;STA 50 50% t RST t WL(RST) ...

Page 7

+5V +25°C, unless otherwise noted PROPAGATION DELAY vs. SUPPLY VOLTAGE 400kHz IN 6 FALLING EDGE RISING EDGE 1 0 2.3 2.7 3.1 3.5 3.9 4.3 ...

Page 8

I C Switches/Multiplexer PIN MAX7367 MAX7368 MAX7369 — 4 — — ...

Page 9

I SC0 SC1 SC2 SC3 SD0 SD1 SD2 SD3 RESET POWER-ON RESET V DD SCL GLITCH FILTER SDA INT[0–3] _______________________________________________________________________________________ _______________________________________________________________________________________ 2 C Switches/Multiplexer MAX7367 Functional Diagram SWITCH CONTROL LOGIC MAX7367 BUS CONTROL INTERRUPT LOGIC A0 ...

Page 10

I C Switches/Multiplexer SC0 SC1 SC2 SC3 SD0 SD1 SD2 SD3 RESET POWER-ON RESET V DD SCL GLITCH FILTER SDA 10 ______________________________________________________________________________________ MAX7368 Functional Diagram SWITCH CONTROL LOGIC MAX7368 BUS CONTROL GND ...

Page 11

I SC0 SC1 SC2 SC3 SD0 SD1 SD2 SD3 POWER- RESET SCL GLITCH FILTER SDA INT[0–3] ______________________________________________________________________________________ 2 C Switches/Multiplexer MAX7369 Functional Diagram SWITCH CONTROL LOGIC MAX7369 BUS CONTROL INTERRUPT LOGIC ...

Page 12

I C Switches/Multiplexer Detailed Description The MAX7367/MAX7368/MAX7369 bidirectional, four- 2 channel I C switches/multiplexer expand the main I bus up to four extended buses. The MAX7369 is a 1:4 multiplexer that connects the main I nel at a ...

Page 13

I CHANNEL SELECTION BITS (READ/WRITE DON'T CARE. Figure 7. MAX7368 Control Register INTERRUPT BITS CHANNEL SELECTION BITS (READ ONLY ...

Page 14

I C Switches/Multiplexer RESET Input (MAX7367/MAX7368) The MAX7367/MAX7368 feature an active-low RESET input. When RESET is driven low for more than 4ns, the MAX7367/MAX7368 reset the internal register and I state machine to their default states, allowing a ...

Page 15

I A master initiates communication with a slave device by issuing a START condition followed by a slave address byte. The slave address byte consists of 7 address bits and a read/write bit (R/W). When idle, the MAX7367/MAX7368/MAX7369 continuously ...

Page 16

I C Switches/Multiplexer Choosing Pullup Resistors requires pullup resistors to provide a logic-high level to data and clock lines. There are tradeoffs between power dissipation and speed, and a compro- mise must be made in ...

Page 17

SDA SCL MASTER * FOR MAX7367/MAX7368. ** FOR MAX7368/MAX7369. () FOR MAX7367/MAX7369. ______________________________________________________________________________________ 2 C Switches/Multiplexer Typical Operating Circuit SDA SD0 SCL SC0 (INT0) (INT) V RESET * MAX7367 SD1 MAX7368 ...

Page 18

I C Switches/Multiplexer For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 20 TSSOP 16 TSSOP 18 ______________________________________________________________________________________ Package Information PACKAGE CODE U20-3 U16-1 DOCUMENT NO. 21-0066 21-0066 ...

Page 19

I REVISION REVISION 0 10/06 1 12/06 2 2/09 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change ...

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