|
|
Part: MAX7313
Category:
Interface and Interconnect
Description: 16-Port I/o Expander With Led Intensity Control And Interrupt <<<>>><<<>>><<<>>><<<>>>The MAX7313 I2C -compatible Serial Interfaced Peripheral Provides Microprocessors With 16 I/o Ports. Each I/o Port CAN be Individually Configured as Either an Open-drain Current-sinking Output Rated at 50mA And 5.5V, or a Logic Input With Transition Detection. A 17th Port CAN be Used For Transition Detection Interrupt, or as a General-purpose Output. The Outputs Are Capable of Driving Leds, or Providing Logic Outputs With External Resistive Pullup up to 5.5V.
Company: Maxim Integrated Products
Datasheet: Download MAX7313 datasheet File size : 502 kB
Request For quote: Find where to buy MAX7313
Datasheet text preview:
19-3059; Rev 2; 5/04
16-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
General Description
T h e MAX7313 I 2 C TM - c o m p a t i b l e serial interfaced peripheral provides microprocessors with 16 I/O ports. Each I/O port can be individually configured as either an open-drain current-sinking output rated at 50mA and 5.5V, or a logic input with transition detection. A 17th port can be used for transition detection interrupt, or as a general-purpose output. The outputs are capable of driving LEDs, or providing logic outputs with external resistive pullup up to 5.5V. PWM current drive is integrated with 8 bits of control. Four bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on with 14 intensity steps. Each output then has individual 4-bit control, which further divides the globally set current into 16 more steps. Alternatively, the current control can be configured as a single 8-bit control that sets all outputs at once. The MAX7313 is pin and software compatible with the MAX7311, PCA9535, and PCA9555. Each output has independent blink timing with two blink phases. All LEDs can be individually set to be on or off during either blink phase, or to ignore the blink control. The blink period is controlled by a register. The MAX7313 supports hot insertion. All port pins, the INT output, SDA, SCL, and the slave-address inputs ADO-2 remain high impedance in power-down (V+ =0V) with up to 6V asserted upon them. T h e MAX7313 is controlled through the 2-wire I2C/SMBus serial interface, and can be configured to any one of 64 I2C addresses. 2V to 3.6V Operation Overall 8-Bit PWM LED Intensity Control Global 16-Step Intensity Control Individual 16-Step Intensity Controls Two-Phase LED Blinking High Output Current (50mA max Per Port) Outputs are 5.5V-Rated Open Drain Supports Hot Insertion Inputs are Overvoltage Protected to 5.5V Transition Detection with Interrupt Output 1.2µA (typ), 3.6µA (max) Standby Current Small 4mm x 4mm Thin QFN Package -40°C to +125°C Temperature Range All Ports Can Be Configured as Inputs or Outputs
Features
400kbs, 2-Wire Serial Interface, 5.5V Tolerant
MAX7313
Ordering Information
PART TEMP RANGE PINPACKAGE PKG CODE T2444-4 --
MAX7313ATG MAX7313AEG
24 Thin QFN -40°C to +125°C 4mm x 4mm x 0.8mm -40°C to +125°C 24 QSOP
Pin Configurations
INT/O16
TOP VIEW
SDA
20
AD2
AD1
LCD Backlights
P0 1
24
23
22
21
V+
19 18 AD0 17 P15 16 P14
LED Status Indication Portable Equipment Keypad Backlights RGB LED Drivers Notebook Computers
P1 2 P2 3
MAX7313ATG
P3 4 P4 5 P5 6 7 8 9 10 11 12 15 P13 14 P12 13 P11
P6
P7
GND
P8
P9
Typical Application Circuit appears at end of data sheet. Purchase of I2C components of Maxim Integrated Products, Inc., or one of its sublicensed Associated Companies, conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips.
QFN
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
P10
SCL
Applications
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
16-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection MAX7313
ABSOLUTE MAXIMUM RATINGS
Voltage (with respect to GND) V+ ...........-0.3V to +4V SCL, SDA, AD0, AD1, AD2, P0P15 ......-0.3V to +6V INT/O16 ...........-0.3V to +8V DC Current on P0P15, INT/O16 .......55mA DC Current on SDA....10mA Maximum GND Current ....350mA Continuous Power Dissipation (TA = +70°C) 24-Pin QSOP (derate 9.5mW/°C over +70°C).....761mW 24-Pin QFN (derate 20.8mW/°C over +70°C) ...1666mW Operating Temperature Range (TMIN to TMAX)-40°C to +125°C Junction Temperature ......+150°C Storage Temperature Range .....-65°C to +150°C Lead Temperature (soldering, 10s) .........+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Note 1)
PARAMETER Operating Supply Voltage Output Load External Supply Voltage Standby Current (Interface Idle, PWM Disabled) SYMBOL V+ V EXT SCL and SDA at V+; other digital inputs at V+ or GND; PWM intensity control disabled SCL and SDA at V+; other digital inputs at V+ or GND; PWM intensity control enabled fSCL = 400kHz; other digital inputs at V+ or GND; PWM intensity control disabled fSCL = 400kHz; other digital inputs at V+ or GND; PWM intensity control enabled TA = +25°C TA = -40°C to +85°C TA = TMIN to TMAX TA = +25°C TA = -40°C to +85°C TA = TMIN to TMAX TA = +25°C TA = -40°C to +85°C TA = TMIN to TMAX TA = +25°C TA = -40°C to +85°C TA = TMIN to TMAX 0.7 V+ 57 50 8.5 CONDITIONS MIN 2 0 1.2 TYP MAX 3.6 5.5 2.3 2.8 3.6 15.1 16.5 17.2 95.3 99.2 102.4 110.2 117.4 122.1 V µA µA µA µA UNITS V V
I+
Supply Current (Interface Idle, PWM Enabled) Supply Current (Interface Running, PWM Disabled) Supply Current (Interface Running, PWM Enabled) Input High Voltage SDA, SCL, AD0, AD1, AD2, P0P15 Input Low Voltage SDA, SCL, AD0, AD1, AD2, P0P15 Input Leakage Current SDA, SCL, AD0, AD1, AD2, P0P15 Input Capacitance SDA, SCL, AD0, AD1, AD2, P0P15
I+
I+
I+
VIH
VIL
0.3 V+
V
IIH, IIL
Input = GND or V+
-0.2
+0.2
µA
8
pF
2
_______________________________________________________________________________________
16-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = + 25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS TA = +25°C V+ = 2V, ISINK = 20mA TA = -40°C to +85°C TA = TMIN to TMAX Output Low Voltage P0P15, INT/O16 TA = +25°C VOL V+ = 2.5V, ISINK = 20mA TA = -40°C to +85°C TA = TMIN to TMAX TA = +25°C V+ = 3.3V, ISINK = 20mA Output Low-Voltage SDA PWM Clock Frequency V OLSDA fP W M ISINK = 6mA 32 TA = -40°C to +85°C TA = TMIN to TMAX 0.12 0.13 MIN TYP 0.15 MAX 0.26 0.3 0.32 0.23 0.26 0.28 0.23 0.24 0.26 0.4 V kHz V UNITS
MAX7313
TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Note 1)
PARAMETER Serial Clock Frequency Bus Free Time Between a STOP and a START Condition Hold Time, Repeated START Condition Repeated START Condition Setup Time STOP Condition Setup Time Data Hold Time Data Setup Time SCL Clock Low Period SCL Clock High Period Rise Time of Both SDA and SCL Signals, Receiving Fall Time of Both SDA and SCL Signals, Receiving Fall Time of SDA Transmitting Pulse Width of Spike Suppressed Capacitive Load for Each Bus Line SYMBOL fSCL tBUF tHD, STA tSU, STA tSU, STO tHD, DAT tSU, DAT tLOW tH I G H tR tF tF.TX tSP Cb (Notes 3, 4) (Notes 3, 4) (Notes 2, 3, 5) (Notes 2, 6) (Notes 2, 3) (Note 2) 180 1.3 0.7 20 + 0.1Cb 20 + 0.1Cb 20 + 0.1Cb 50 400 300 300 250 1.3 0.6 0.6 0.6 0.9 CONDITIONS MIN TYP MAX 400 UN I T S kHz µs µs µs µs µs ns µs µs ns ns ns ns pF
_______________________________________________________________________________________
3
Others parts begin by ma
|
|
|
