m41t93 STMicroelectronics, m41t93 Datasheet - Page 37

• Manufacturer Part Number: m41t93
• Description: Serial Spi Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

5
Note:
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 16.
Output Hi-Z is defined as the point where data is no longer driven.
Figure 16. Measurement AC I/O waveform
Table 17.
1. Effective capacitance measured with power supply at 3.6V; sampled only, not 100% tested.
2. At 25°C, f = 1MHz.
3. Outputs deselected.
Supply Voltage (V
Ambient operating temperature (T
Load capacitance (C
Input rise and fall times
Input pulse voltages
Input and output timing ref. voltages
Symbol
C
OUT
C
IN
(3)
Operating and AC measurement conditions
Capacitance
CC
)
L
, typical)
Input capacitance
Output capacitance
0.8V CC
0.2V CC
Parameter
Parameter
A
)
(1)(2)
Min
0.7V CC
0.3V CC
AI02568
Max
10
7
0.2V
0.3V
2.38V to 5.5V
–40 to +85°C
CC
CC
M41T93
30pF
50ns
to 0.8 V
to 0.7 V
Unit
pF
pF
CC
CC
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