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M48T201Y датащи(PDF) 28 Page - STMicroelectronics

номер детали M48T201Y
подробное описание детали  5.0 or 3.3 V TIMEKEEPER® supervisor
PDF  37 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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M48T201Y датащи(HTML) 28 Page - STMicroelectronics

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DC and AC parameters
M48T201Y, M48T201V
28/37
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
Table 11: DC and AC measurement conditions. Designers should check that the operating
conditions in their projects match the measurement conditions when using the quoted
parameters.
Table 11.
DC and AC measurement conditions
Note:
Output High Z is defined as the point where data is no longer driven.
Figure 13.
AC testing load circuit
Note:
Excluding open-drain output pin; 50 pF for M48T201V.
Table 12.
Capacitance
Parameter
M48T201Y
M48T201V
Unit
VCC supply voltage
4.5 to 5.5
3.0 to 3.6
V
Ambient operating temperature
0 to 70
0 to 70
°C
Load capacitance (CL)
100
50
pF
Input rise and fall times
≤ 5
≤ 5ns
Input pulse voltages
0 to 3
0 to 3
V
Input and output timing ref. voltages
1.5
1.5
V
AI04764
CL = 100pF
CL includes JIG capacitance
645
Ω
DEVICE
UNDER
TEST
1.75V
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
10
pF
COUT
(3)
3.
Outputs deselected.
Input/output capacitance
10
pF



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