BQ4285E_14 Datasheet, PDF (16/31 Pages) Texas Instruments – Enhanced RTC With NVRAM Control

bq4285E/L
Capacitance—bq4285E/L (TA = 25°C, F = 1MHz, VCC = 5.0V)
Symbol
Parameter
Minimum Typical Maximum Unit
Conditions
CI/O
Input/output capacitance
-
CIN
Input capacitance
-
-
7
pF VOUT = 0V
-
5
pF VIN = 0V
Note:
This parameter is sampled and not 100% tested. It does not include the X1 or X2 pin.
AC Test Conditions—bq4285E
Parameter
Input pulse levels
Input rise and fall times
Input and output timing reference levels
Output load (including scope and jig)
Test Conditions
0 to 3.0 V
5 ns
1.5 V (unless otherwise specified)
See Figures 5 and 6
For all outputs
except INT
510
+5V
960
50pF
OL-10
Figure 5. Output Load A—bq4285E
+5V
1.15K
INT
130pF
OL-11
Figure 6. Output Load B—bq4285E
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