ICs for Timer
AN6783S
s Electrical Characteristics at Ta = 25°C (continued)
Parameter
Symbol
Conditions
High-level Mon. terminal voltage
Low-level Mon. terminal voltage
Oscillation frequency precision
Oscillation frequency fluctuation with
supply voltage
VMH
VML
fOSC
∆fV
VCC = 18 V
VCC = 3.2 V
VCC = 5 V, RT = 1 kΩ,
CT = 0.1 µF
VCC = 5 V,
3.2 V to 18.0 V
High-level input voltage
Low-level input voltage
VIH VCC = 5 V
VIL VCC = 5 V
Min Typ Max Unit
17.8 18.0 V
0.4 V
9.0 9.5 10.0 kHz
−5.0 5.0 %
2.0 V
0.8 V
• Design reference data
Note) The characteristic values below are theoretical values for designing and not guaranteed.
The data show the changing amount within Ta = −35°C to +85°C when the values at Ta = 25°C is taken as the reference.
Parameter
Symbol
Conditions
Min Typ Max Unit
Oscillation frequency-
temperature dependency
∆fr VCC = 5 V, RT = 1 kΩ,
CT = 0.1 µF
−5.0 5.0 %
s Terminal Equivalent Circuits
Pin No.
1
Equivalent circuit
Description
I/O
VS :
O
Stabilized power supply output terminal.
Reference voltage source for oscillation
circuit.
DC
voltage
2.55 V
2
VS VCC
Stop :
I
Oscillation stop input terminal. Only the
oscillation circuit stops when this termi-
nal becomes low-level.
(F.F. is not cleared)
When not used, the terminal should be
open or connected to VCC .
Stop
3