NR8576 Datasheet, PDF (4/11 Pages) Nippon Precision Circuits Inc – Real-time Clock Modules

NR8576 series
DC Electrical Characteristics
V_SS = 0V, V_DD = 5.0V ± 10%, Ta = −40 to 85°C unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Current consumption
I_DD1
V_DD = 5.0V _{CE = VSS, FOE = VSS,}
–
1.5
3.0
µA
I_DD2
V_DD = 3.0V FSEL = V_DD,
–
1.0
2.0
µA
FOUT: floating
I_DD3
V_DD = 2.0V
–
0.5
1.0
µA
I_DD4
V_DD = 5.0V _{CE = VSS, FOE = VDD,}
–
4.0
10.0
µA
I_DD5
V_DD = 3.0V FSEL = V_SS,
–
2.5
6.5
µA
FOUT: 32kHz output
I_DD6
V_DD = 2.0V
–
1.5
4.0
µA
HIGH-level input voltage
V _IH
CE, FSEL, WR, FOE, CLK, DATA
0.8V _DD
–
–
V
LOW-level input voltage
V _IL
CE, FSEL, WR, FOE, CLK, DATA
–
–
0.2V _DD
V
Input OFF leakage current
I _OFF
CE, FSEL, WR, FOE, CLK;
V_IN = V_DD or V_SS
–
–
0.5
µA
HIGH-level output voltage
V_OH1
V_DD = 5.0V _{IOH = −1.0mA;}
V_OH2
V_DD = 3.0V ^{DATA, FOUT}
4.5
–
–
V
2.0
–
–
V
LOW-level output voltage
V_OL1
V_DD = 5.0V _{IOL = 1.0mA;}
V_OL2
V_DD = 3.0V ^{DATA, FOUT}
–
–
0.5
V
–
–
0.8
V
Output load fanout
N/CL FOUT
2 LSTTL/30pF max
Output leakage current
Supply voltage detect
threshold voltage
I_OZH
V_OUT = 5.5V; DATA, FOUT
I_OZL
V_OUT = 0V; DATA, FOUT
V_DT
−1.0
–
−1.0
–
1.0
µA
1.0
µA
1.4
1.7
2.0
V
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