NE5532 Dual Low-Noise Operational Amplifier IC
UM93214A 1-memory Tone Pulse Dialer IC
- 1-memory Tone/Pulse Dialer
- Low standby current
- 3.58MHz crystal or ceramic resonator
- Calibrated DTMF timing for redialing
- Memory retention voltage Max: 5V
- Operation Current(Pulse): 0.2mA
- Operation Current(Tone): 0.6mA
- Memory retention current: 0.1µA
- System Frequency: 3.58MHz
- Pause Time: 2.2s
- Operating Voltage: 2.0V – 5.5V
- Operating Temperature Range: -200C to +750C
- Package: DIP-16
LM2470 Monolithic Triple 7.0ns CRT Driver IC
- Monolithic Triple 7.0 ns CRT Driver
- Well matched to the LM1236/46 CMOS preamplifiers
- Swing up to 60PP (15V - 75V)
- 0V to 3.75V input range
- Stable with 0–20 pF capacitive loads and inductive peaking networks
- Convenient TO-220 staggered lead package style
- Maintains standard LM246X Family pinout which is designed for easy PCB layout
LM2575 1A Step-Down Voltage Regulator IC
74LS190 Synchronous 4-Bit Up Down Counter IC
- Synchronous 4-Bit Up/Down Counters with Mode Control
- High-level input voltage: 2V
- Low-level input voltage: 0.8V
- High-level output current: -0.4mA
- Low-level output current: 8mA
- Input clamp voltage: -1.5V
- Maximum clock frequency: 20MHz
- Propagation delay time max: 65ns
- Supply voltage range: 4.75 to 5.25V
- Package: DIP-16
74LS90 Decade Counter IC
74LS73 Dual Positive Pulse Triggered J-K Flip-Flop IC
