74VHC594TTR STMicroelectronics, 74VHC594TTR Datasheet - Page 2
74VHC594TTR
Manufacturer Part Number
74VHC594TTR
Description
IC SHIFT REGISTER 8BIT 16-TSSOP
Manufacturer
STMicroelectronics
Series
74VHCr
Datasheet
1.74VHC594MTR.pdf
(14 pages)
Specifications of 74VHC594TTR
Logic Type
Shift Register
Output Type
Standard
Number Of Elements
1
Number Of Bits Per Element
8
Function
Serial to Parallel
Voltage - Supply
2 V ~ 5.5 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
74VHC594
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