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PDF U74HCT165 Data sheet ( Hoja de datos )
| Número de pieza | U74HCT165 | |
| Descripción | 8-BIT PARALLEL-LOAD SHIFT REGISTER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
U74HCT165
8-BIT PARALLEL-LOAD SHIFT
REGISTER
CMOS IC
DESCRIPTION
The U74HCT165 is an 8-bit parallel-load shift register that,
when clocked, shifts the data toward a serial (QH) output.
Parallel-in access to each stage is provided by eight individual
direct data (A-H) inputs these are enabled by a low level at
shift/load (SH/ LD ) input. The U74HCT165 also features a
clock-inhibit (CLK INH) function and a complementary serial ( QH )
output.
Clocking is accomplished by a low-to-high transition of the
clock (CLK) input while SH/ LD is held high and CLK INH is held
low. The functions of CLK and CLK INH are interchangeable.
Since a low CLK and a low-to-high transition of CLK INH also
accomplish clocking, CLK INH should be changed to the high
level only while CLK is high. Parallel loading is inhibited when
SH/ LD is held high. While SH/ LD is low, the parallel inputs to
the register are enabled independently of the levels of the CLK,
CLK INH, or serial (SER) inputs.
The inputs are compatible with TTL,NMOS and CMOS output
voltage levels.
FEATURES
* Complementary Outputs
* Direct Overriding Load (Data) Inputs
* Gated Clock Inputs
* Parallel-to-Serial Data Conversion
* Compatible with TTL, NMOS, CMOS output voltage levels
ORDERING INFORMATION
Ordering Number
U74HCT165G-S16-R
Package
SOP-16
SOP-16
Packing
Tape Reel
U74HCT165G-S16-R
(1) Packing Type
(2) Package Type
(3) Green Package
(1) R: Tape Reel
(2) S16: SOP-16
(3) G: Halogen Free and Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 8
QW-R502-B32.B
1 page  
U74HCT165
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5 ~ 7
V
VCC or GND Current
Output Current
ICC ±50 mA
IOUT ±25 mA
Input Clamp Current
Output Clamp Current
IIK ±20 mA
IOK ±20 mA
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.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
High-level Input Voltage
Low-level Input Voltage
Input Voltage
Output Voltage
Input Transition (Rise and Fall) Time
Operating Free-air Temperature
THERMAL DATA
SYMBOL
VCC
VIH
VIL
VIN
VOUT
tt
TA
TEST CONDITIONS
VCC=4.5V
VCC=5.5V
VCC=4.5V
VCC=5.5V
VCC=4.5V
MIN TYP MAX UNIT
4.5 5 5.5 V
2V
2V
0.8 V
0.8 V
0 VCC V
0 VCC V
500 ns
-40 +125 °C
PARAMETER
Junction to Ambient
SYMBOL
θJA
RATINGS
73
ELECTRICAL CHARACTERISTICS (TA =25°C , unless otherwise specified)
UNIT
°C/W
PARAMETER
Output Voltage High-Level
Output Voltage Low-Level
Input Leakage Current
Quiescent Supply Current
SYMBOL
VOH
VOL
II(LEAK)
ICC
TEST CONDITIONS
VCC=4.5V, IOH=-20μA
VCC=4.5V, IOH=-4mA
VCC=4.5V, IOH=20μA
VCC=4.5V, IOL=4mA
VCC=5.5V, VIN= VCC or GND
VCC=5.5V, VIN=VCC or GND
MIN TYP MAX UNIT
4.4 4.5
V
3.98 4.32
V
0 0.1 V
0.15 0.26 V
±100 nA
8 μA
Additional supply current
Input Capacitance
△ICC
CI
VI=VCC-2.1V,other inputs at VCC or
GND,VCC=4.5V to 5.5V, DS, Dn inputs
VI=VCC-2.1V, other inputs at VCC or GND,
VCC=4.5V to 5.5V,
CLK,CLKINH,SH/ LD inputs
35 126 uA
65 234 uA
3.5 pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R502-B32.B
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet U74HCT165.PDF ] | |
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