Low Power Monostable/Astable Multivibrator The CD4047 is a CMOS low-power monostable/astable multivibrator IC manufactured by various companies, including Texas Instruments, ON Semiconductor, and NXP Semiconductors.
### **Key Specifications:**
- **Supply Voltage Range:** 3V to 15V (CMOS operation)
- **Low Power Consumption:** Typically 10µW at 5V
- **Operating Temperature Range:** -55°C to +125°C
- **Output Frequency Range:** Up to several hundred kHz (depends on external components)
- **Output Drive Capability:** Can source/sink up to 6.8mA at 15V
- **Package Options:** DIP-14, SOIC-14
### **Features:**
- Can operate in **monostable (one-shot)** or **astable (oscillator)** mode
- **Built-in oscillator** with external RC timing control
- **Complementary outputs (Q and Q̅)** for flexibility
- **High noise immunity** typical of CMOS devices
### **Pin Configuration (DIP-14):**
- **Pin 1 (Q):** Astable output
- **Pin 2 (Q̅):** Inverted astable output
- **Pin 3 (OSC OUT):** Oscillator output
- **Pin 4 (AST):** Astable mode control
- **Pin 5 (C):** Timing capacitor connection
- **Pin 6 (R):** Timing resistor connection
- **Pin 7 (VSS):** Ground
- **Pin 8 (R/C):** External timing resistor/capacitor
- **Pin 9 (MONO):** Monostable mode control
- **Pin 10 (RETR):** Retrigger input
- **Pin 11 (TRIG):** Trigger input
- **Pin 12 (VDD):** Positive supply voltage
- **Pin 13 (NC):** No connection
- **Pin 14 (NC):** No connection
For exact electrical characteristics, refer to the datasheet from the specific manufacturer (e.g., Texas Instruments, ON Semiconductor).
