SM8577B Datasheet, PDF (4/10 Pages) Nippon Precision Circuits Inc – Real-time Clock IC

SM8577B
DC Electrical Characteristics
V_SS = 0 V, V_DD = 5.0 V ± 10%, T_a = −40 to 85 °C unless otherwise noted
Parameter
Current consumption
HIGH-level input voltage
LOW-level input voltage
Input resistance
Input OFF leakage current
HIGH-level output voltage
LOW-level output voltage
Output leakage current
Supply voltage detect threshold
voltage
Symbol
Condition
Rating
Unit
min
typ
max
I_DD1
I_DD2
V _IH
V _IL
R _IN
I_leak
V_OH1
V_OH2
V_OL1
V_OL2
I_OZH
I_OZL
V_DD = 5.0 V
V_DD = 3.0 V
CE = V_SS
CE, CLK, DATA
CE, CLK, DATA
CE: V_IN = 5.0 V
CLK: V_IN = V_DD or V_SS
CE: V_IN = V_SS
V_DD = 5.0 V
V_DD = 3.0 V
DATA, FOUT:
I_OH = −1.0 mA
V_DD = 5.0 V
V_DD = 3.0 V
DATA, FOUT:
I_OL = 1.0 mA
DATA, FOUT:V_OUT = 5.5 V
DATA, FOUT:V_OUT = 0 V
–
–
0.8V_DD
–
–
–
4.5
2.0
–
–
−1.0
−1.0
1.5
3.0
µA
1.0
2.0
µA
–
–
V
–
0.2V_DD
V
–
800
kΩ
–
0.5
µA
–
–
V
–
–
V
–
V_SS + 0.5
V
–
V_SS + 0.8
V
–
1.0
µA
–
1.0
µA
V _DET
1.4
1.7
2.0
V
NIPPON PRECISION CIRCUITS—4