Description
BUY SN74LS195AN https://www.utsource.net/itm/p/255292.html
4-BIT PARALLEL-ACCESS SHIFT REGISTERS
| Parameter |
Symbol |
Conditions |
Min |
Typical |
Max |
Unit |
| Supply Voltage |
VCC |
|
4.75 |
|
5.25 |
V |
| Output High Voltage |
VOH |
IO = -0.4 mA, VCC = 5V |
2.4 |
|
3.4 |
V |
| Output Low Voltage |
VOL |
IO = 8 mA, VCC = 5V |
0.0 |
|
0.5 |
V |
| Input High Voltage |
VIH |
|
2.0 |
|
|
V |
| Input Low Voltage |
VIL |
|
0.8 |
|
|
V |
| Propagation Delay Time |
tpd |
VCC = 5V, TA = 25°C |
26 |
|
34 |
ns |
| Power Dissipation |
PD |
VCC = 5V, TA = 25°C |
|
150 |
|
mW |
| Operating Temperature Range |
TA |
|
-55 |
|
125 |
°C |
| Storage Temperature Range |
TSTG |
|
-65 |
|
150 |
°C |
Instructions for Use
Power Supply:
- Ensure that the supply voltage (VCC) is within the range of 4.75V to 5.25V.
- Connect VCC to the positive power supply and GND to the ground.
Input Signals:
- Apply input signals such that the high level (VIH) is at least 2.0V and the low level (VIL) is no more than 0.8V.
- Ensure that input signals do not exceed VCC or go below GND to avoid damage.
Output Signals:
- The output high voltage (VOH) should be between 2.4V and 3.4V when the output current (IO) is -0.4 mA.
- The output low voltage (VOL) should be between 0.0V and 0.5V when the output current (IO) is 8 mA.
Propagation Delay:
- The propagation delay time (tpd) is typically between 26 ns and 34 ns at VCC = 5V and TA = 25°C.
Power Dissipation:
- The maximum power dissipation (PD) is 150 mW at VCC = 5V and TA = 25°C. Ensure proper heat dissipation if operating near this limit.
Temperature Ranges:
- The operating temperature range (TA) is from -55°C to 125°C.
- The storage temperature range (TSTG) is from -65°C to 150°C.
Handling and Storage:
- Handle the device with care to avoid static discharge, which can damage the internal circuits.
- Store the device in a dry, cool place within the specified storage temperature range.
Application Notes:
- The SN74LS195AN is a 4-bit parallel-access shift register with parallel load capability. It can be used in various digital circuits for data shifting and storage.
- Refer to the specific application notes and datasheets for detailed circuit design and troubleshooting information.
(For reference only)
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