參數(shù)資料
型號(hào): M41ST85WMH6TR
廠商: STMICROELECTRONICS
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.300 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁(yè)數(shù): 24/41頁(yè)
文件大?。?/td> 376K
代理商: M41ST85WMH6TR
DC and AC parameters
M41ST85W
5
DC and AC parameters
This section summarizes the operating and measurement conditions, as well as the DC and
AC characteristics of the device. The parameters in the following DC and AC characteristic
tables are derived from tests performed under the measurement conditions listed in the
relevant tables. Designers should check that the operating conditions in their projects match
the measurement conditions when using the quoted parameters.
Table 9.
DC and AC measurement conditions
Note:
Output High Z is defined as the point where data is no longer driven.
Figure 18.
AC testing input/output waveforms
Table 10.
Capacitance
Parameter
M41ST85W
VCC supply voltage
2.7 to 3.6 V
Ambient operating temperature
–40 to 85°C
Load capacitance (CL)50 pF
Input rise and fall times
≤ 50 ns
Input pulse voltages
0.2 to 0.8VCC
Input and output timing ref. voltages
0.3 to 0.7VCC
Symbol
Parameter(1)(2)
1.
Effective capacitance measured with power supply at 5 V. Sampled only, not 100% tested.
2.
At 25°C, f = 1 MHz.
Min
Max
Unit
CIN
Input capacitance
7
pF
COUT
(3)
3.
Outputs are deselected.
Output capacitance
10
pF
tLP
Low-pass filter input time constant (SDA and SCL)
50
ns
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
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