MAX7315ATE+ Maxim Integrated Products, MAX7315ATE+ Datasheet - Page 19

• Manufacturer Part Number: MAX7315ATE+
• Description: IC I/O EXPANDER I2C 8B 16TQFN-EP
• Manufacturer: Maxim Integrated Products

Specifications of MAX7315ATE+

• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Operating Supply Voltage: 2 V to 3.6 V
• Power Dissipation: 1176 mW
• Operating Temperature Range: - 40 C to + 125 C
• Input Voltage: 1.08 V to 1.4 V
• Maximum Clock Frequency: 400 KHz
• Mounting Style: SMD/SMT
• Output Voltage: 0.15 V
• Chip Configuration: 8 Bit
• Bus Frequency: 400kHz
• Ic Interface Type: I2C, SMBus
• No. Of I/o's: 8
• Supply Voltage Range: 2V To 3.6V
• Digital Ic Case Style: TQFN
• No. Of Pins: 16
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 15. Individual (or Global) Set to 1/16
Figure 16. Individual (or Global) Set to 15/16
Figure 17. Individual (or Global) Set to 16/16
Table 11. PWM Intensity Settings (Blink Disabled)
INTENSITY
Control, Interrupt, and Hot-Insertion Protection
GLOBAL)
SETTING
OUTPUT
(OR
0xC
0xD
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xE
0xF
OUTPUT BLINK PHASE 0
LOW TIME
Static low
1
PWM DUTY CYCLE
1
10/16
11/16
12/16
13/16
14/16
15/16
1
REGISTER BIT = 0
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
______________________________________________________________________________________
2
2
2
3
3
3
8-Port I/O Expander with LED Intensity
4
4
4
MASTER INTENSITY TIMESLOT
MASTER INTENSITY TIMESLOT
HIGH TIME
5
Static low
5
5
15/16
14/16
13/16
12/16
11/16
10/16
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
6
6
6
7
7
7
8
8
8
9 10 11 12 13 14 15 16
9 10 11 12 13 14 15 16
9 10 11 12 13 14 15 16
OUTPUT BLINK PHASE 0
LED BEHAVIOR WHEN
Highest PWM intensity
Lowest PWM intensity
Full intensity, no PWM
(LED on continuously)
REGISTER BIT = 0
(LED IS ON WHEN
OUTPUT IS LOW)
MASTER INTENSITY TIMESLOT CONTROL IS IGNORED
1
1
1
2
2
2
3
3
OUTPUT BLINK PHASE 0
impedance
LOW TIME
Static high
3
4
4
PWM DUTY CYCLE
15/16
14/16
13/16
12/16
11/16
10/16
REGISTER BIT = 1
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
4
5
5
NEXT MASTER INTENSITY TIMESLOT
NEXT MASTER INTENSITY TIMESLOT
6
5
6
7
6
7
8
8
HIGH TIME
7
impedance
Static high
9 10 11 12 13 14 15 16
10/16
11/16
12/16
13/16
14/16
15/16
9 10 11 12 13 14 15 16
8
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
9 10 11 12 13 14 15 16
OUTPUT BLINK PHASE 0
LED BEHAVIOR WHEN
Highest PWM intensity
Lowest PWM intensity
LED off continuously
REGISTER BIT = 1
(LED IS ON WHEN
OUTPUT IS LOW)
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