參數(shù)資料
型號(hào)： AT30TSE002B-MAH-T
廠商： Atmel
文件頁(yè)數(shù)： 4/36頁(yè)
文件大?。?/td> 1184K
描述： SENSOR DGTL TEMP I2C/SMBUS 8WDFN
標(biāo)準(zhǔn)包裝： 5,000
系列： *
 4
Atmel AT30TSE002B [DATASHEET]
8711GSEEPR5/12
4.
Pin Description
AT30TSE002B requires no external components for operation except for pull-up resistors on SCL, SDA, and
EVENT
pins. In order to provide effective noise protection and filtering, it is recommended that a decoupling capacitor of 0.1mF be
used and is located as close as possible to the device between V
CC
 and ground pins.
Serial Clock (SCL): The SCL input is used to positive edge clock data into each EEPROM device and negative edge 
clock data out of each device.
Serial Data (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open drain driven and may be 
wire-ORed with any number of other open-drain or open collector devices.
Device Addresses (A
2
, A
1
, A
0
):   The A
2
, A
1
, and A
0
 pins are device address inputs that are hardwired (directly to GND
or to V
CC
) for compatibility with 2-wire devices. When the pins are hardwired, as many as eight devices may be
addressed on a single bus system. A device is selected when a corresponding hardware and software match is true. If
these pins are left floating, the A
2
, A
1
, and A
0
 pins will be internally pulled to GND. However, Atmel recommends always
connecting the address pins to a known state by direct connection to ground or V
CC
, but if using a pull-up resistor, Atmel
recommends using 10kW or less.
The A
0
 pin is also overvoltage tolerant, allowing up to 10V for software write protection functionality. (See Section 6.
through Section 9.)
Temperature Alert Output (
EVENT): The 
EVENT pin outputs a signal when the temperature goes beyond the
user-programmed temperature limits and be configured in one of three modes; either Interrupt, Comparator, or Critical
Alarm modes.
The
EVENT pin is an open-drain output and requires a pull-up resistor for proper operation (see Section 10.).
Table 4-1.    Pin Capacitance
(1)
Note:   1.   This parameter is ensured by characterization only.
Applicable over recommended operating range from T
A
 = 25癈, f = 100 kHz, V
CC
 = +3.0V
Symbol
Test Condition
Max
Units
Conditions
C
I/O
Input/output Capacitance (SDA),
EVENT
8
pF
V
I/O
 
= 0V
C
IN
Input Capacitance (A
0
, A
1
, A
2
, and SCL)
6
pF
V
IN
 = 0V
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