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參數資料
| 型號： | MC74LCX16543DT |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | LOW-VOLTAGE CMOS 16-BIT LATCHING TRANSCEIVER |
| 中文描述： | LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封裝： | PLASTIC, TSSOP-56 |
| 文件頁數： | 5/8頁 |
| 文件大?。?/td> | 142K |
| 代理商： | MC74LCX16543DT |
MC74LCX16543
LCX DATA
BR1339 — REV 3
5
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
Min
VCC = 2.7V
Min
Symbol
Parameter
Waveform
Max
Max
Unit
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
ts
th
ts
th
tw
tOSHL
tOSLH
3. These AC parameters are preliminary and may be modified prior to release. The maximum AC limits are design targets. Actual performance
will be specified upon completion of characterization.
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
An to Bn or Bn to An
1
1.5
1.5
5.2
5.2
1.5
1.5
6.0
6.0
ns
Propagation Delay
LEBAn to An or LEABn to Bn
4
1.5
1.5
6.5
6.5
1.5
1.5
7.5
7.5
ns
Output Enable Time
OEBAn to An or OEABn to Bn
2
1.5
1.5
6.5
6.5
1.5
1.5
7.0
7.0
ns
Output Disable Time
OEBAn to An or OEABn to Bn
2
1.5
1.5
6.5
6.5
1.5
1.5
7.0
7.0
ns
Output Enable Time
EBAn to An or EABn to Bn
2
1.5
1.5
6.5
6.5
1.5
1.5
7.0
7.0
ns
Output Disable Time
EBAn to An or EABn to Bn
2
1.5
1.5
6.5
6.5
1.5
1.5
7.0
7.0
ns
Setup Time, HIGH to LOW Data to LExxn
4
2.5
2.5
ns
Hold Time, HIGH to LOW Data to LExxn
4
1.5
1.5
ns
Setup Time, HIGH to LOW Data to Exxn
4
2.5
2.5
ns
Hold Time, HIGH to LOW Data to Exxn
4
1.5
1.5
ns
Latch Enable or Enable Pulse Width, LOW
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
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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