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SN74HC595-Q1 Datasheet(Arkusz danych) 12 Page - Texas Instruments

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Numer części SN74HC595-Q1
Szczegółowy opis  SN74HC595-Q1 8-Bit Shift Registers With 3-State Output Registers
Pobierz  18 Pages
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
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12
SN74HC595-Q1
SCLS804 – MARCH 2020
www.ti.com
Product Folder Links: SN74HC595-Q1
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Copyright © 2020, Texas Instruments Incorporated
8.3 Feature Description
The SN74HC595-Q1 devices are 8-bit Serial-In, Parallel-Out Shift Registers. They have a wide operating current
of 2 V to 6 V, and the high-current 3-state outputs can drive up to 15 LSTTL Loads. The devices have a low
power consumption of 80-μA (Maximum) ICC. Additionally, the devices have a low input current of 1 μA
(Maximum) and a ±6-mA Output Drive at 5 V.
8.4 Device Functional Modes
Table 1 lists the functional modes of the SN74HC595-Q1 devices.
Table 1. Function Table
INPUTS
FUNCTION
SER
SRCLK
SRCLR
RCLK
OE
X
X
X
X
H
Outputs QA – QH are disabled.
X
X
X
X
L
Outputs QA – QH are enabled.
X
X
L
X
X
Shift register is cleared.
L
H
X
X
First stage of the shift register goes low.
Other stages store the data of previous stage, respectively.
H
H
X
X
First stage of the shift register goes high.
Other stages store the data of previous stage, respectively.
X
X
X
X
Shift-register data is stored in the storage register.




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