s I/O CIRCUIT TYPE
Type
A
Circuit
X1
X0
Standby control signal
B
R
C
R
P-ch
N-ch
D
P-ch
N-ch
E
R
Mask Option
P-ch
N-ch
MB89940 Series
Remarks
• Oscillator I/O
With feedback resistor of approx. 1 MΩ.
• Schmitt-trigger input
(Pull-down resistance only for MB89943, MB89945)
• Open-drain output with pull-up resistor
(Approx. 50 kΩ).
• Schmitt-trigger input
• Hysteresis input
• CMOS I/O
• CMOS I/O (Schmitt trigger)
• Pull-up resistor optional
(Continued)
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