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74LVT374PWDH View Datasheet(PDF) - Philips Electronics

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Description
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74LVT374PWDH Datasheet PDF : 12 Pages
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Philips Semiconductors
3.3V Octal D-type flip-flop; positive-edge trigger
(3-State)
Product specification
74LVT374
AC CHARACTERISTICS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500; Tamb = –40°C to +85°C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ± 0.3V
MIN
TYP1
MAX
fMAX
Maximum clock frequency
1
tPLH
Propagation delay
tPHL
CP to Qn
1
tPZH
Output enable time
3
tPZL
to High and Low level
4
tPHZ
Output disable time
3
tPLZ
from High and Low level
4
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
125
200
1.7
3.2
5.1
2.2
3.5
5.2
1.5
3.2
5.3
2.0
3.4
5.2
1.9
4.3
6.7
2.0
3.4
5.1
VCC = 2.7V
MIN
MAX
125
5.8
5.5
7.3
6.1
7.1
5.1
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
tS(H)
tS(L)
Setup time, High or Low, Dn to CP
2
TH(H)
TH(L)
Hold time, High or Low, Dn to CP
2
TW(H)
CP pulse width High or Low
1
LIMITS
VCC = 3.3V ± 0.3V
MIN
TYP
2.0
0.7
2.0
0.7
0.3
–0.5
0.3
–0.5
1.5
0.8
2.5
1.7
VCC = 2.7V
MIN
2.0
2.0
0
0
1.5
3.0
UNIT
ns
ns
ns
ns
UNIT
ns
ns
ns
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
1/fMAX
CP
VM
VM
tw(H)
tPHL
tw(L)
Qn
VM
VM
tPLH
VM
SA00056
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
ÉÉÉ ÉÉÉÉÉÉÉÉÉÉ Dn
VM
ÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ts(H)
VM
th(H)
VM
ts(L)
VM
th(L)
CP
VM
VM
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
Waveform 2. Data Setup and Hold Times
SA00107
OE
VM
VM
tPZH
tPHZ
Qn
VM
VOH–0.3V
0V
SA00066
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
OE
VM
VM
tPZL
tPLZ
Qn
VM
VOL+0.3V
0V
SA00067
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
1998 Feb 19
6
 

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