PARALLEL OUTPUT IS REGISTERED; ASYNCHRONOUS CLEAR FOR STORAGE REGISTER
Count Direction:
RIGHT
Family:
HC/UH
JESD-30 Code:
R-PDSO-G16
JESD-609 Code:
e4
Length:
9.9 mm
Load Capacitance (CL):
150 pF
Logic IC Type:
SERIAL IN PARALLEL OUT
Max Frequency@Nom-Sup:
24000000 Hz
Max I(ol):
0.0078 A
Moisture Sensitivity Level:
1
Number of Bits:
8
Number of Functions:
1
Number of Terminals:
16
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Polarity:
TRUE
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP16,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Packing Method:
TR
Peak Reflow Temperature (Cel):
260
Power Supply Current-Max (ICC):
0.08 mA
Propagation Delay (tpd):
250 ns
Qualification Status:
Not Qualified
Seated Height-Max:
1.75 mm
Supply Voltage-Max (Vsup):
6 V
Supply Voltage-Min (Vsup):
2 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Trigger Type:
POSITIVE EDGE
Width:
3.9 mm
fmax-Min:
24 MHz
SN74HC594DRG4 Frequently Asked Questions (FAQs)
The maximum clock frequency is typically limited by the rise and fall times of the clock signal, as well as the capacitive load on the clock line. As a general rule, the clock frequency should not exceed 20 MHz to ensure reliable operation.
To ensure proper initialization, the RCLR (Reset) pin should be tied to VCC through a pull-up resistor, and the SRCLR (Synchronous Reset) pin should be tied to GND through a pull-down resistor. This will ensure that the shift register is reset to a known state after power-up.
The maximum current that can be sourced or sunk by the output pins is typically limited to 25 mA per pin, although this can vary depending on the specific application and operating conditions. It's always a good idea to check the datasheet and perform thermal calculations to ensure that the device can handle the required current.
Yes, the SN74HC594DRG4 can be used as a level shifter between 3.3V and 5V logic levels, but care must be taken to ensure that the input signals are properly conditioned and that the output signals are properly terminated. Additionally, the device's power supply voltage (VCC) should be set to the higher of the two logic levels (in this case, 5V).
The latency associated with the shift register's serial-to-parallel conversion can be handled by adding a small delay between the clock signal and the data signal, or by using a FIFO (First-In-First-Out) buffer to store the data temporarily while it is being shifted into the register.
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SN74HC594DRG4 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
