Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74AHC164
CMOS IC
8-Bit Serial-In/Parallel-Out
Shift Register

DESCRIPTION
The U74AHC164 is an 8-bit serial-in/parallel-out shift register.
The logical AND of the Dsa and Dsb enters into Q0 and shifts one
place to right on each LOW-to-HIGH transition of the clock (CP). A
low level on the master reser ( MR )input clears all the register
asynchronously and force all output LOW.

FEATURES
* Operate From 2V to 5.5V
* Schmitt on all inputs
* Balanced propagation delays

ORDERING INFORMATION
Ordering Number
U74AHC164G-S14-R
U74AHC164G-P14-R

Package
SOP-14
TSSOP-14
Packing
Tape Reel
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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U74AHC164
CMOS IC

PIN CONFIGURATION

FUNCTIONAL DIAGRAM
8
CP
9
1
2

MR
Dsa
Dsb
Q0
3
Q1
4
Q2
5
Q3
6
Q4
10
Q5
11
Q6
12
Q7
13
FUNCTION TABLE
INPUTS(CP)
INPUTS(Dsa)
INPUTS(Dsb)
OUTPUTS(Q0)
INPUTS( MR )
L
X
X
X
L
H
↑
L
L
L
H
↑
L
H
L
H
↑
H
L
L
H
↑
H
H
H
Note: H: HIGH voltage level; L: LOW voltage level; ↑: LOW-to-HIGH transition; ×: don’t care.

OUTPUTS(Q1~Q7)
L~L
Q0~Q6
Q0~Q6
Q0~Q6
Q0~Q6
LOGIC DIAGRAM (POSITIVE LOGIC)
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
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
Supply Voltage
Input Voltage
Input Clamp Current
Output Clamp Current
Output Current
Vcc or GND Current
RATINGS
UNIT
-0.5~7
V
-0.5~ 7
V
-20
mA
±20
mA
±25
mA
±75
mA
SOP-14
500
Power Dissipation
PD
mW
TSSOP-14
450
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

SYMBOL
VCC
VIN
IIK
IOK
IOUT
ICC
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
VCC
VIN
VOUT
Supply Voltage
Input Voltage
Output Voltage
Input Transition Rise or Fall Rate
tR, tF
Operating Temperature

CONDITIONS
MIN
2
0
0
TYP
5
VCC=3.3±0.3V
VCC=5.0±0.5V
TA
-40
MAX
5.5
5.5
VCC
100
20
85
UNIT
V
V
V
MAX
UNIT
ns/V
°С
STATIC CHARACTERISTICS (TA=25°С)
PARAMETER
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Output OFF-State Current
Quiescent Supply Current
Input Capacitance
SYMBOL
VIH
VIL
VOH
VOL
II(LEAK)
IOZ
IQ
CI
TEST CONDITIONS
VCC=2.0V
VCC=3.0V
VCC=5.5V
VCC=2.0V
VCC=3.0V
VCC=5.5V
VCC=2.0V, IOH=-50μA
VCC=3.0V, IOH=-50μA
VCC=4.5V, IOH=-50μA
VCC=3.0V, IOH=-4mA
VCC=4.5V, IOH=-8mA
VCC=2.0V, IOL=50μA
VCC=3.0V, IOL=50μA
VCC=4.5V, IOL=50μA
VCC=3.0V, IOL=4mA
VCC=4.5V, IOL=8mA
VCC=5.5V, VIN=5.5V or GND
VCC=5.5V, VIN=5.5V or GND
VCC=5.5V, VIN=5.5V or GND, IOUT=0
VIN=VCC or GND
UNISONIC TECHNOLOGIES CO., LTD
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MIN
1.5
2.1
3.85
TYP
V
0.5
0.9
1.65
1.9
2.9
4.4
2.58
3.94
2.0
3.0
4.5
0
0
0
3
V
V
0.1
0.1
0.1
0.36
0.36
0.1
±0.25
4
10
V
μA
uA
uA
pF
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U74AHC164

DYNAMIC CHARACTERISTICS (typical values at VCC=3V or VCC=5V)
PARAMETER
Propagation Delay from Input
(CP) to Output(Qn)
Propagation Delay from Input
( MR ) to Output(Qn)
Maximum CP frequency

CMOS IC
SYMBOL
tPHL/tPLH
tPHL
fMAX
TEST CONDITIONS
VCC=3.0V to 3.6V, CL=15pF
VCC=3.0V to 3.6V, CL=50pF
VCC=4.5V to 5.5V, CL=15pF
VCC=4.5V to 5.5V, CL=50pF
VCC=3.0V to 3.6V, CL=15pF
VCC=3.0V to 3.6V, CL=50pF
VCC=4.5V to 5.5V, CL=15pF
VCC=4.5V to 5.5V, CL=50pF
VCC=3.0V to 3.6V, CL=15pF
VCC=3.0V to 3.6V, CL=50pF
VCC=4.5V to 5.5V, CL=15pF
VCC=4.5V to 5.5V, CL=50pF
MIN
80
50
125
85
TYP
6.5
9.3
4.5
6.4
5.3
7.6
4
5.8
125
75
175
115
MAX
12.8
16.3
9
11
12.8
16.3
8.6
10.6
TYP
48
MAX
UNIT
ns
ns
MHZ
OPERATING CHARACTERISTICS
PARAMETER
Power Dissipation Capacitance
SYMBOL
TEST CONDITIONS
Cpd
f=1MHz, CL=50pF
UNISONIC TECHNOLOGIES CO., LTD
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MIN
UNIT
pF
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U74AHC164

CMOS IC
TEST CIRCUIT AND WAVEFORMS
Output
CL
Load circuitry
Propagation delay waves
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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