Description
BUY 74LS670PC https://www.utsource.net/itm/p/962702.html
Register File
| Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
VCC |
4.75 |
5.0 |
5.25 |
V |
| Output High Voltage |
VOH |
- |
2.4 |
3.5 |
V |
| Output Low Voltage |
VOL |
0.0 |
0.4 |
0.5 |
V |
| Input High Voltage |
VIH |
2.0 |
3.5 |
- |
V |
| Input Low Voltage |
VIL |
0.0 |
0.8 |
1.5 |
V |
| Propagation Delay Time |
tpd |
10 |
15 |
25 |
ns |
| Power Dissipation |
PD |
- |
100 |
- |
mW |
| Operating Temperature |
TA |
-40 |
- |
85 |
°C |
| Storage Temperature |
TSTG |
-65 |
- |
150 |
°C |
Instructions for 74LS670PC
Supply Voltage:
- Ensure the supply voltage (VCC) is within the range of 4.75V to 5.25V to avoid damage to the device.
Output Voltage Levels:
- The output high voltage (VOH) should be between 2.4V and 3.5V.
- The output low voltage (VOL) should be between 0.0V and 0.5V.
Input Voltage Levels:
- The input high voltage (VIH) should be at least 2.0V.
- The input low voltage (VIL) should be no more than 1.5V.
Propagation Delay:
- The propagation delay time (tpd) is typically 15ns but can range from 10ns to 25ns.
Power Dissipation:
- The maximum power dissipation (PD) is 100mW. Ensure proper heat dissipation if operating near this limit.
Operating Temperature:
- The device is designed to operate within a temperature range of -40°C to 85°C.
Storage Temperature:
- Store the device in an environment with temperatures ranging from -65°C to 150°C.
Handling Precautions:
- Handle the device with care to avoid static discharge, which can damage the internal circuits.
- Use appropriate ESD protection measures when handling and installing the device.
Mounting and Soldering:
- Follow standard soldering procedures to ensure reliable connections.
- Avoid excessive heat during soldering to prevent damage to the device.
Testing:
- Before integrating the device into a circuit, test it using a known good setup to ensure it functions correctly.
(For reference only)
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