ADT7468ARQZ ON Semiconductor, ADT7468ARQZ Datasheet - Page 26

• Manufacturer Part Number: ADT7468ARQZ
• Description: IC REMOTE THERMAL CTRLR 24QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7468ARQZ

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (2-Wire, 3-Wire, 4-Wire)
• Maximum Operating Temperature: + 120 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADT7468
THERM LIMIT
(REG. 0x7A)
728.32ms
364.16ms
182.08ms
91.04ms
45.52ms
22.76ms
2.914s
1.457s
0
1
2
3
4
5
6
COMPARATOR
7
CLEARED
ON READ
7 6 5 4 3 2 1 0
IN
RESET
LATCH
OUT
1 = MASK
MASK REGISTER 2
STATUS REGISTER 2
F4P BIT (BIT 5)
(REG. 0x79)
(REG. 0x79)
(REG. 0x79)
(REG. 0x75)
F4P BIT (BIT 5)
THERM
THERM
THERM
THERM
THERM
THERM
TIMER
TIMER
TIMER
ACCUMULATE THERM LOW
ACCUMULATE THERM LOW
THERM TIMER CLEARED ON READ
1.457s
182.08ms
2.914s
728.32ms
364.16ms
91.04ms
45.52ms
22.76ms
ASSERTION TIMES
ASSERTION TIMES
0 0 0
7 6 5
0 0 0
7 6 5
0 0 0
7 6 5
THERM TIMER
(REG. 0x79)
0
4
0
4
0
4
0 0 0 1
3 2 1 0
0 0 1 0
3 2 1 0
0 1 0 1
3 2 1 0
THERM ASSERTED
SMBALERT
THERM
(91.04ms + 22.76ms)
THERM ASSERTED
THERM ASSERTED
22.76ms
45.52ms
113.8ms