MC74LCX16646DT Ver la hoja de datos (PDF) - Motorola => Freescale
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MC74LCX16646DT Datasheet PDF : 10 Pages
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MC74LCX16646
AC CHARACTERISTICS (Note 3.; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω)
Limits
TA = –40°C to +85°C
VCC = 3.0V to 3.6V
VCC = 2.7V
Symbol
Parameter
Waveform
Min
Max
Min
Max
Unit
fmax
tPLH
tPHL
Clock Pulse Frequency
Propagation Delay
Input to Output
3
170
MHz
1
1.5
5.2
1.5
6.0
ns
1.5
5.2
1.5
6.0
tPLH
tPHL
Propagation Delay
Clock to Output
3
1.5
6.0
1.5
7.0
ns
1.5
6.0
1.5
7.0
tPLH
tPHL
Propagation Delay
Select to Output
1
1.5
6.0
1.5
7.0
ns
1.5
6.0
1.5
7.0
tPZH
tPZL
Output Enable Time to
High and Low Level
2
1.5
7.5
1.5
8.5
ns
1.5
7.5
1.5
8.5
tPHZ
tPLZ
Output Disable Time From
High and Low Level
2
1.5
6.5
1.5
7.5
ns
1.5
6.5
1.5
7.5
ts
Setup Time, HIGH or LOW Data to Clock
th
Hold Time, HIGH or LOW Data to Clock
tw
Clock Pulse Width, HIGH or LOW
3
2.5
3
1.5
3
3.0
2.5
ns
1.5
ns
3.0
ns
tOSHL
tOSLH
Output–to–Output Skew
(Note 4.)
1.0
ns
1.0
3. These AC parameters are preliminary and may be modified prior to release.
4. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter
guaranteed by design.
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min Typ Max Unit
VOLP Dynamic LOW Peak Voltage (Note 5.)
VCC = 3.3V, CL = 50pF, VIH = 3.3V, VIL = 0V
0.8
V
VOLV Dynamic LOW Valley Voltage (Note 5.) VCC = 3.3V, CL = 50pF, VIH = 3.3V, VIL = 0V
0.8
V
5. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
CIN
CI/O
CPD
Parameter
Input Capacitance
Input/Output Capacitance
Power Dissipation Capacitance
Condition
Typical
Unit
VCC = 3.3V, VI = 0V or VCC
7
pF
VCC = 3.3V, VI = 0V or VCC
8
pF
10MHz, VCC = 3.3V, VI = 0V or VCC
20
pF
LCX DATA
7
BR1339 — REV 3
MOTOROLA
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