EMC1402-1-ACZL-TR SMSC, EMC1402-1-ACZL-TR Datasheet - Page 33

• Manufacturer Part Number: EMC1402-1-ACZL-TR
• Description: IC TEMP SNSR DUAL 3.3V 8MSOP
• Manufacturer: SMSC

Specifications of EMC1402-1-ACZL-TR

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: EVB-EMC1402 - EVAL BOARD FOR EMC1402
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1067-2

1°C Temperature Sensor with Beta Compensation
Datasheet
APPLICATION NOTE: When measuring a 65nm Intel CPUs, the Ideality Setting should be the default 12h. When
SMSC EMC1402
SETTING
SETTING
0Ch
0Dh
0Eh
0Fh
10h
12h
13h
14h
15h
16h
17h
08h
09h
0Ah
0Bh
0Eh
0Fh
10h
12h
13h
14h
15h
16h
17h
11h
11h
For CPU substrate transistors that require the BJT transistor model, the ideality factor behaves slightly
differently than for discrete diode-connected transistors. Refer to
substrate transistor.
Table 6.18 Substrate Diode Ideality Factor Look-Up Table (BJT Model)
Table 6.17 Ideality Factor Look-Up Table (Diode Model) (continued)
measuring 45nm Intel CPUs, the Ideality Setting should be 15h.
FACTOR
FACTOR
1.0027
1.0040
1.0053
1.0066
1.0080
1.0093
1.0106
1.0133
1.0146
0.9869
0.9882
0.9895
0.9908
0.9921
0.9934
0.9947
0.9960
0.9973
0.9986
1.0000
1.0013
1.0026
1.0039
1.0053
1.0066
1.0119
SETTING
SETTING
1Eh
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
27h
18h
19h
1Fh
20h
21h
22h
23h
24h
25h
26h
27h
DATASHEET
33
FACTOR
FACTOR
1.0239
1.0253
1.0267
1.0280
1.0293
1.0306
1.0319
1.0332
1.0345
1.0358
1.0079
1.0092
1.0105
1.0120
1.0132
1.0146
1.0159
1.0173
1.0187
1.0200
1.0213
1.0226
1.0239
1.0252
1.0265
1.0278
SETTING
SETTING
Table 6.18
2Ch
2Dh
2Eh
2Fh
2Ah
2Bh
2Eh
2Fh
30h
31h
32h
33h
34h
35h
36h
37h
28h
29h
30h
31h
32h
33h
34h
35h
36h
37h
Revision 1.36 (07-02-09)
when using a CPU
FACTOR
FACTOR
1.0449
1.0462
1.0475
1.0488
1.0501
1.0514
1.0527
1.0540
1.0553
1.0566
1.0291
1.0304
1.0317
1.0330
1.0343
1.0356
1.0369
1.0382
1.0395
1.0408
1.0421
1.0434
1.0447
1.0460
1.0473
1.0486