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74LCX543 Datasheet, PDF (4/8 Pages) Fairchild Semiconductor – Low Voltage Octal Registered Transceiver with 5V Tolerant Inputs and Outputs
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DC Electrical Characteristics (Continued)
Symbol
Parameter
ICC
Quiescent Supply Current
∆ICC
Increase in ICC per Input
Note 5: Outputs disabled or 3-STATE only.
Conditions
VI = VCC or GND
3.6V ≤ VI, VO ≤ 5.5V (Note 5)
VIH = VCC −0.6V
VCC
(V)
2.3 − 3.6
2.3 − 3.6
2.3 − 3.6
TA = −40°C to +85°C
Min
Max
10
±10
500
Units
µA
µA
AC Electrical Characteristics
TA = −40°C to +85°C, RL = 500Ω
Symbol
Parameter
VCC = 3.3V ± 0.3V
CL = 50 pF
VCC = 2.7V
CL = 50 pF
VCC = 2.5V ± 0.2V
CL = 30 pF
Units
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
tPLH
An to Bn or Bn to An
tPHL
Propagation Delay
tPLH
LEBA to An or LEAB to Bn
tPZL
Output Enable Time
tPZH
OEBA or OEAB to An or Bn
CEBA or CEAB to An or Bn
tPLZ
Output Disable Time
tPHZ
OEBA or OEAB to An or Bn
CEBA or CEAB to An or Bn
1.5
7.0
1.5
8.0
1.5
8.4
ns
1.5
7.0
1.5
8.0
1.5
8.4
1.5
8.5
1.5
9.5
1.5
10.5
ns
1.5
8.5
1.5
9.5
1.5
10.5
1.5
9.0
1.5
10.0
1.5
11.0
1.5
9.0
1.5
10.0
1.5
11.0
ns
1.5
7.0
1.5
7.5
1.5
8.4
1.5
7.0
1.5
7.5
1.5
8.4
ns
tS
Setup Time, HIGH or LOW Data to LEXX
2.5
2.5
4.0
ns
tH
Hold Time, HIGH or LOW Data to LEXX
1.5
1.5
2.0
ns
tW
Pulse Width, Latch Enable, LOW
3.3
3.3
3.3
ns
tOSHL
Output to Output Skew
1.0
ns
tOSLH
(Note 6)
1.0
Note 6: 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).
Dynamic Switching Characteristics
Symbol
Parameter
VOLP
Quiet Output Dynamic Peak VOL
VOLV
Quiet Output Dynamic Valley VOL
Capacitance
Conditions
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
VCC
TA = 25°C
Units
(V)
Typical
3.3
0.8
V
2.5
0.6
3.3
−0.8
V
2.5
−0.6
Symbol
CIN
CI/O
CPD
Parameter
Input Capacitance
Input/Output Capacitance
Power Dissipation Capacitance
Conditions
VCC = Open, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
Typical
7
8
25
Units
pF
pF
pF
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