Features: • Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 2.0 to 6.0 V• Low Input Current: 1.0 A• High Noise Immunity Characteristic of CMOS DevicesPinoutSpecifications Symbol Parameter Value Unit VCC DC Supply Voltage (Re...
IN74HC165A: Features: • Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 2.0 to 6.0 V• Low Input Current: 1.0 A• High Noise Immunity Characteristic of CMOS Dev...
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Symbol |
Parameter |
Value |
Unit |
VCC |
DC Supply Voltage (Referenced to GND) |
-0.5 to +7.0 |
V |
VIN |
DC Input Voltage (Referenced to GND) |
-1.5 to VCC +1.5 |
V |
VOUT |
DC Output Voltage (Referenced to GND) |
-0.5 to VCC +0.5 |
V |
IIN |
DC Input Current, per Pin |
±20 |
mA |
IOUT |
DC Output Current, per Pin |
±25 |
mA |
ICC |
DC Supply Current, VCC and GND Pins |
±50 |
mA |
PD |
Power Dissipation in Still Air, Plastic DIP, SOIC Package |
750 500 |
mW |
Tstg |
Storage Temperature |
-65 to +150 |
|
TL |
Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) |
260 |
|
The IN74HC165A is identical in pinout to the LS/ALS165. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
This IN74HC165A is an 8-bit shift register with complementary outputs from the last stage. Data may be loaded into the register either in parallel or in serial form. When the Serial Shift/ Parallel Load input is low, the data is loaded asynchronously in parallel. When the Serial Shift/Parallel Load input is high, the data is loaded serially on the rising edge of either Clock or Clock Inhibit (see the Function Table).
The 2-input NOR clock may be used either by combining two independent clock sources or by designating one of the clock inputs to act as a clock inhibit.