STTS424BDN3F STMicroelectronics, STTS424BDN3F Datasheet - Page 13

• Manufacturer Part Number: STTS424BDN3F
• Description: IC MEMORY MOD TEMP SENSOR 8-TDFN
• Manufacturer: STMicroelectronics

Specifications of STTS424BDN3F

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8502-2

STTS424
3.4
Figure 7.
Table 2.
1. For a restart condition, or following a WRITE cycle
SMBus timeout
The STTS424 supports the SMBus timeout feature. If the host holds SCL low for more than
25 ms, the STTS424 resets and releases the bus. This feature is turned on by default.
t
Symbol
SU:STA
t
t
t
t
t
SU:STO
HD:STA
SU:DAT
HD:DAT
t
timeout
t
t
f
HIGH
LOW
BUF
SCL
SDA
t
SCL
t
R
F
(1)
V IH
V IH
V IL
V IL
SMBus/I
AC SMBus and I
Bus free time between stop (P) and start (S) conditions
Hold time after (repeated) start condition. After this period,
the first clock cycle is generated.
Repeated start condition setup time
Clock high period
Clock low period
Clock/data fall time
Clock/data rise time
Data setup time
Data hold time
Stop condition setup time
SMBUS/I
Bus timeout
P
tBUF
2
2
C clock frequency
C timing diagram
S
tHD:DAT
tLOW
tHD:STA
2
C compatibility timings
Parameter
tR
tSU:DAT
tF
tHIGH
S
tSU:STA
Min
100
300
tSU:STO
1.3
0.6
1.3
0.6
1.3
0.6
10
25
–
–
Max
300
300
400
50
–
–
–
–
–
–
–
–
Operation
A12266
P
Units
kHz
ms
13/36
µs
µs
µs
µs
µs
ns
ns
ns
ns
µs