74lvx594 STMicroelectronics, 74lvx594 Datasheet - Page 2

• Manufacturer Part Number: 74lvx594
• Description: Low Voltage Cmos 8 Bit Shift Register With Output Register 5v Tolerant Inputs
• Manufacturer: STMicroelectronics

74LVX594
Figure 2: Input Equivalent Circuit
Table 3: Truth Table
X : Don’t Care
2/14
SI
X
H
X
X
X
L
L
SCK
X
X
X
X
INPUTS
SCLR
H
H
H
X
X
X
L
RCK
X
X
X
X
X
RCLR
H
H
X
X
X
X
L
Table 2: Pin Description
1, 2, 3, 4, 5,
6, 7, 15
PIN N°
FIRST STAGE OF SHIFT REGISTER GOES HIGH
FIRST STAGE OF SHIFT REGISTER GOES LOW
STORAGE REGISTER STATE IS NOT CHANGED
OTHER STAGES STORE THE DATA OF PREVI-
OTHER STAGES STORE THE DATA OF PREVI-
10
13
14
12
16
11
9
8
SHIFT REGISTER STATE IS NOT CHANGED
SHIFT REGISTER DATA IS STORED IN THE
STORAGE REGISTER IS CLEARED
OUS STAGE, RESPECTIVELY
OUS STAGE, RESPECTIVELY
SHIFT REGISTER IS CLEAR
SYMBOL
QA to QH
STORAGE REGISTER
SCLR
RCLR
GND
RCK
SCK
V
QH’
SI
CC
OUTPUTS
Data Outputs
Serial Data Output
Shift Register Clear Input
Shift Register Clock Input
Storage Register Clear
Input
Serial Data Input
Storage Register Clock
Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION