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參數(shù)資料
| 型號： | MC145488 |
| 廠商： | Motorola, Inc. |
| 英文描述： | LOW-VOLTAGE CMOS OCTAL TRANSCEIVER |
| 中文描述： | 低電壓CMOS八端口收發(fā)器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 161K |
| 代理商： | MC145488 |
MC74LCX2245
MOTOROLA
LCX DATA
BR1339 — REV 3
4
DC ELECTRICAL CHARACTERISTICS
(continued)
TA = –40
°
C to +85
°
C
Symbol
Characteristic
Condition
Min
Max
Unit
VOL
LOW Level Output Voltage
2.7V
≤
VCC
≤
3.6V; IOL = 100
μ
A
0.2
V
VCC = 2.7V; IOL= 4mA
0.4
VCC = 2.7V; IOL= 8mA
0.6
VCC = 3.0V; IOL = 6mA
0.55
VCC = 3.0V; IOL = 12mA
2.7V
≤
VCC
≤
3.6V; 0V
≤
VI
≤
5.5V
2.7
≤
VCC
≤
3.6V; 0V
≤
VO
≤
5.5V;
VI = VIH or V IL
0.8
II
Input Leakage Current
±
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
10
μ
A
±
10
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
Max
Symbol
Parameter
Waveform
Max
Unit
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
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.
Propagation Delay
Input to Output
1
1.5
1.5
10.0
10.0
11.0
11.0
ns
Output Enable Time to
High and Low Level
2
1.5
1.5
11.5
11.5
12.5
12.5
ns
Output Disable Time From
High and Low Level
2
1.5
1.5
7.5
7.5
8.5
8.5
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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