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PDF 74LVC273PW Data sheet ( Hoja de datos )
| Número de pieza | 74LVC273PW | |
| Descripción | Octal D-type flip-flop with reset; positive-edge trigger | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
74LVC273
Octal D-type flip-flop with reset;
positive-edge trigger
Product specification
Supersedes data of 1996 Jun 06
IC24 Data Handbook
1998 May 20
Philips
Semiconductors
1 page  
Philips Semiconductors
Octal D-type flip-flop with reset; positive-edge trigger
Product specification
74LVC273
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
tPHL Propagation delay
tPLH
CP to Qn
tPHL
Propagation delay
MR to Qn
tW
Clock pulse width
HIGH or LOW
tW
Master reset pulse
width LOW
trem
Removal time
MR to CP
tsu
Set-up time
Dn to CP
th
Hold time
Dn to CP
fmax
Maximum clock
pulse frequency
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.
1
2
1
2
2
3
3
1
LIMITS
VCC = 3.3V ±0.3V
MIN TYP1 MAX
VCC = 2.7V
MIN TYP MAX
6.0 10.2
6.6 11.2
6.3 11.0
7.4 12.0
4 1.2
5 1.8
4 1.2
5 1.7
2 –1.0
3 –1.0
2 0.7
3 1.0
0 –0.6
0 –0.9
125 100
UNIT
ns
ns
ns
ns
ns
ns
ns
MHz
AC WAVEFORMS
VM = 1.5V at VCC w 2.7V.
VM = 0.5 VCC at VCC t 2.7V.
VOL and VOH are the typical output voltage drop that occur with the
output load.
1/fMAX
VI
CP INPUT
GND
VOH
VM
tw
tPHL
tPLH
Qn OUTPUT
VOL
VM
SW00078
Waveform 1. Clock (CP) to output (Qn) propagation delays, the
clock pulse width and the maximum clock pulse frequency
VCC
MR INPUT
VM
VM
GND
VCC
CP INPUT
GND
VOH
tw
tPHL
trem
VM
Qn OUTPUT
VOL
VM
SY00053
Waveform 2. Master reset (MR) pulse width, the master reset to
output (Qn) propagation delays and the master reset to clock
(CP) removal time
VI
CP
INPUT
VM
GND
tsu tsu
ÉÉÉÉVI
Dn
ÉÉÉÉINPUT
ÉÉÉÉGND
VM
ÉÉÉth ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉth ÉÉÉ
VOH
Qn
OUTPUT
VM
VOL
NOTE: The shaded areas indicate when the input is permitted to change
for predictable output performance.
SW00079
Waveform 3. Data set-up and hold times for the data input (Dn)
1998 May 20
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74LVC273PW.PDF ] | |
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