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參數(shù)資料
| 型號： | MC74LCX16500 |
| 廠商： | Motorola, Inc. |
| 英文描述： | LOW-VOLTAGE CMOS 18-BIT UNIVERSAL BUS TRANSCEIVER |
| 中文描述： | 低電壓CMOS 18位通用總線收發(fā)器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 161K |
| 代理商： | MC74LCX16500 |
MC74LCX16500
MOTOROLA
LCX DATA
BR1339 — REV 3
6
DC ELECTRICAL CHARACTERISTICS
(continued)
TA = –40
°
C to +85
°
C
Symbol
Characteristic
Condition
Min
Max
Unit
II
Input Leakage Current
2.7V
≤
VCC
≤
3.6V; 0V
≤
VI
≤
5.5V
2.7
≤
VCC
≤
3.6V; 0V
≤
VO
≤
5.5V;
VI = VIH or V IL
±
5.0
μ
A
IOZ
3–State Output Current
±
5.0
μ
A
IOFF
Power–Off Leakage Current
VCC = 0V; VI or VO = 5.5V
2.7
≤
VCC
≤
3.6V; VI = GND or VCC
2.7
≤
VCC
≤
3.6V; 3.6
≤
VI or VO
≤
5.5V
2.7
≤
VCC
≤
3.6V; VIH = VCC – 0.6V
10
μ
A
ICC
Quiescent Supply Current
20
μ
A
±
20
μ
A
ICC
Increase in ICC per Input
500
μ
A
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
Min
VCC = 2.7V
Min
Symbol
Parameter
Waveform
Max
Max
Unit
fmax
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPZH
tPZL
tPHZ
tPLZ
ts
th
tw
tOSHL
tOSLH
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.
Maximum Clock Frequency
3
170
MHz
Propagation Delay
Input to Output
1
1.5
1.5
6.0
6.0
1.5
1.5
7.0
7.0
ns
Propagation Delay
Clock to Output
3
1.5
1.5
6.7
6.7
1.5
1.5
8.0
8.0
ns
Propagation Delay
LExx to Output
4
1.5
1.5
7.0
7.0
1.5
1.5
8.0
8.0
ns
Output Enable Time to
High and Low Level
2
1.5
1.5
7.2
7.2
1.5
1.5
8.2
8.2
ns
Output Disable Time From
High and Low Level
2
1.5
1.5
7.0
7.0
1.5
1.5
8.0
8.0
ns
Setup Time
3,4
2.5
2.5
ns
Hold Time
3,4
1.5
1.5
ns
Pulse Width Time
3,4
3.0
3.0
ns
Output–to–Output Skew
(Note 4.)
1.0
1.0
ns
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
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.
Dynamic LOW Valley Voltage (Note 5.)
VCC = 3.3V, CL = 50pF, VIH = 3.3V, VIL = 0V
0.8
V
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