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74LVT273PWDH 数据表(PDF) 6 Page - NXP Semiconductors

部件名 74LVT273PWDH
功能描述  3.3V Octal D flip-flop
Download  11 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74LVT273PWDH 数据表(HTML) 6 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74LVT273
3.3V Octal D flip-flop
1998 Feb 19
6
AC SETUP REQUIREMENTS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω, Tamb = –40°C to +85°C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = +3.3 ± 0.3V
VCC = 2.7V
UNIT
MIN
TYP
MIN
ts(H)
ts(L)
Setup time, High or Low
Dn to CP
3
2.3
2.3
1.0
1.0
2.7
2.7
ns
th(H)
th(L)
Hold time, High or Low
Dn to CP
3
0
0
–0.6
–0.6
0
0
ns
tw(H)
tw(L)
Clock pulse width
High or Low
1
3.3
3.3
1.5
1.5
3.3
3.3
ns
tw(L)
Master Reset pulse width, Low
2
3.3
1.5
3.3
ns
tREC
Recovery time
MR to CP
2
2.7
1.0
3.2
ns
AC WAVEFORMS
VM = 1.5V, VIN = GND to 2.7V
1/fMAX
tw(H)
tw(L)
tPHL
tPLH
CP
Qn
1.5V
2.7V
0V
1.5V
1.5V
1.5V
1.5V
VOH
VOL
SV00021
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
MR
tPHL
tREC
Qn
CP
tw(L)
1.5V
1.5V
1.5V
1.5V
2.7V
0V
2.7V
0V
VOH
VOL
SV00107
Waveform 2. Master Reset Pulse Width, Master Reset to
Output Delay and Master Reset to Clock Recovery Time
Dn
CP
ts(H)
th(H)
ts(L)
th(L)
1.5V
1.5V
1.5V
1.5V
1.5V
1.5V
2.7V
0V
2.7V
0V
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SV00108
Waveform 3. Data Setup and Hold Times


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