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PDF U74LVC74A Data sheet ( Hoja de datos )
| Número de pieza | U74LVC74A | |
| Descripción | DUAL POSITIVE-EDGETRIGGERED D-TYPE FLIP-FLOPS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
U74LVC74A
DUAL POSITIVE-EDGE-
TRIGGERED D-TYPE
FLIP-FLOPS WITH CLEAR
AND PRESET
CMOS IC
DESCRIPTION
The U74LVC74A is a dual positive-edge-triggered D-type
flip-flop.
The preset ( PRE ) and clear ( CLR ) input can set or reset the
output, egardless of the levels f others inputs. When the PRE and
CLR are inactive(high),data at the data input meeting the set-up
time requirements is transferred to the outputs on the positive-going
edge of the clock pulse. Following the hold-time interval, data D can
be changed without affecting the levels at the outputs.
FEATURES
* 1.65V to 3.6V VCC Operation
* Inputs Accept Voltages to 5.5V
* Max tpd at 5.2ns of 3.3V
* Typical VOLP<0.8V at VCC=3.3V, TA=25°C
* Typical VOHV>2V at VCC=3.3V, TA=25°C
ORDERING INFORMATION
Ordering Number
U74LVC74AG-S14-R
U74LVC74AG-P14-R
Package
SOP-14
TSSOP-14
Packing
Tape Reel
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 7
QW-R502-879.C
1 page  
U74LVC74A
CMOS IC
DYNAMIC CHARACTERISTICS
See Fig. 1 and Fig. 2 for test circuit and waveforms.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Maxinum Clock Pulse Frequency
VCC=1.8V±0.15V
fmax
VCC=2.5V±0.2V
VCC=2.7V
VCC=3.3V±0.3V
83
83
83
MHz
150
VCC=1.8V±0.15V, CL=30pF, RL=1KΩ 1
7.1
Propagation delay from input
(CLK) to output(Q or Q)
tPLH/tPHL
VCC=2.5V±0.2V, CL=30pF, RL=500Ω
VCC=2.7V, CL=50pF, RL=500Ω
1
1
4.4
6
ns
VCC=3.3V±0.3V, CL=50pF, RL=500Ω 1
5.2
Propagation delay from input
( PRE or CLR ) to output(Q or Q)
tPLH/tPHL
VCC=1.8V±0.15V, CL=30pF, RL=1KΩ
VCC=2.5V±0.2V, CL=30pF, RL=500Ω
VCC=2.7V, CL=50pF, RL=500Ω
VCC=3.3V±0.3V, CL=50pF, RL=500Ω
1
1
1
1
6.9
4.6
6.4
ns
5.4
OPERATING CHARACTERISTICS
PARAMETER
Power Dissipation Capacitance
SYMBOL
CPD
TEST CONDITIONS
VCC=1.8V, f=10MHz
VCC=2.5V, f=10MHz
VCC=3.3V, f=10MHz
MIN TYP MAX UNIT
24 pF
24 pF
26 pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R502-879.C
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| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet U74LVC74A.PDF ] | |
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