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参数资料
| 型号： | MC74LCX16652DT |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封装： | PLASTIC, TSSOP-56 |
| 文件页数： | 19/21页 |
| 文件大小： | 544K |
| 代理商： | MC74LCX16652DT |
MC74LCX16652
LCX DATA
BR1339 — REV 3
221
MOTOROLA
AC CHARACTERISTICS (Note 3.; tR = tF = 2.5ns; CL = 50pF; RL = 500)
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
Clock Pulse Frequency
3
170
MHz
tPLH
tPHL
Propagation Delay
Input to Output
1
1.5
5.7
1.5
6.2
ns
tPLH
tPHL
Propagation Delay
Clock to Output
3
1.5
6.2
1.5
7.0
ns
tPLH
tPHL
Propagation Delay
Select to Output
1
1.5
6.5
1.5
7.0
ns
tPZH
tPZL
Output Enable Time to
High and Low Level
2
1.5
7.0
1.5
8.0
ns
tPHZ
tPLZ
Output Disable Time From
High and Low Level
2
1.5
6.5
1.5
7.0
ns
ts
Setup Time, HIGH or LOW Data to Clock
3
2.5
ns
th
Hold Time, HIGH or LOW Data to Clock
3
1.5
ns
tw
Clock Pulse Width, HIGH or LOW
3
3.0
ns
tOSHL
tOSLH
Output–to–Output Skew
(Note 4.)
1.0
ns
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
TA = +25°C
Symbol
Characteristic
Condition
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. The LCX16652 is characterized with 15 outputs switching with 1 output held LOW.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CIN
Input Capacitance
VCC = 3.3V, VI = 0V or VCC
7
pF
CI/O
Input/Output Capacitance
VCC = 3.3V, VI = 0V or VCC
8
pF
CPD
Power Dissipation Capacitance
10MHz, VCC = 3.3V, VI = 0V or VCC
20
pF
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