146AA2A integrated circuit is designed as 2-lines bus drivers and manufactured on the basis of bipolar transistors with a p–n junction isolation in accordance with the semiconductor technology. The IC is intended for the read-and-write circuit control in address and bit buses.
Package: glass-to-metal
Pinout
| Pin No. | Purpose | Pin No. | Purpose |
| 2 | Y1 output | 1 | Ground |
| 7 | Supply voltage 5V | 11 | X2 input |
| 12 | Y2 output | 10 | X1 input |
Basic Electrical Characteristics at t=25± 10 0C
| Parameter, unit of measure | Value | Note | |
| at least | less than | ||
| Residual voltage, V | 1.1 | 2.2 | 1,2 |
| Output leakage current, µA | - | 10 | 1,3 |
| Total turn-off time, ns | - | 220 | 1,4 |
| On-delay time, ns | 30 | ||
Note:
1) When supply voltage at pin 7 is 5V ±10%
2) When measuring pin 12(2), voltage of pin 1 and 10(11) equals to 0 V, input operational current is 330mA±2.5%, load capacity is less than 30 pF.
3) When measuring pin 12(2), voltage of pin 1 and 10(11) equals to 0 V, pin 11(10) - 0.8 V, pin 12 - 30 V.
4) When measuring pin 12(2), voltage of pin 1 and 10(11) equals to 0 V, input current is 330mA, load capacity is less than 30 pF. Pin 11(10) is supplied with pulse voltage, the peak of which at the output of the idle oscillator equals to 3V±10% (oscillator resistance is at least 2 kOhm), pulse duration is at least 330 ns, pulse rise time is less than 30 ns, frequency is less than 700 kHz.
