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74LCXH16245 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. 74LCXH16245
Description  Low Voltage 16-Bit Bidirectional Transceiver with Bushold
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74LCXH16245 Datasheet(HTML) 4 Page - Fairchild Semiconductor

   
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4
DC Electrical Characteristics (Continued)
Note 6: An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 7: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
AC Electrical Characteristics
Note 8: 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
Capacitance
Symbol
Parameter
Conditions
VCC
TA 40qC to 85qC
Units
(V)
Min
Max
II(HOLD)
Bushold Input Minimum
VIN 0.7V
2.3
45
PA
Drive Hold Current
VIN 1.7V
45
VIN 0.8V
3.0
75
VIN 2.0V
75
II(OD)
Bushold Input Over-Drive
(Note 6)
2.7
300
PA
Current to Change State
(Note 7)
300
(Note 6)
3.6
450
(Note 7)
450
IOZ
3-STATE I/O Leakage
VO VCC or GND
2.3
 3.6
r5.0
PA
IOFF
Power-Off Leakage Current
VI or VO 5.5V
0
10
PA
ICC
Quiescent Supply Current
VI VCC or GND
2.3–3.6
20
PA
'ICC
Increase in ICC per Input
VIH VCC 0.6V
2.3–3.6
500
PA
Symbol
Parameter
TA 40qC to 85qC, RL 500:
Units
VCC 3.3V r 0.3V
VCC 2.7V
VCC 2.5V r 0.2V
CL 50 pF
CL 50 pF
CL 30 pF
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
1.0
4.5
1.0
5.2
1.0
5.4
ns
tPLH
An to Bn or Bn to An
1.04.5
1.05.2
1.05.4
tPZL
Output Enable Time
1.0
6.5
1.0
7.2
1.0
8.5
ns
tPZH
1.06.5
1.07.2
1.08.5
tPLZ
Output Disable Time
1.0
6.4
1.0
6.9
1.0
7.7
ns
tPHZ
1.06.4
1.06.9
1.07.7
tOSHL
Output to Output Skew (Note 8)
1.0
ns
tOSLH
1.0
Symbol
Parameter
Conditions
VCC
(V)
TA 25qC
Units
Typical
VOLP
Quiet Output Dynamic Peak VOL
CL 50 pF, VIH 3.3V, VIL 0V
3.3
0.8
V
CL 30 pF, VIH 2.5V, VIL 0V
2.5
0.6
VOLV
Quiet Output Dynamic Valley VOL
CL 50 pF, VIH 3.3V, VIL 0V
3.3
0.8
V
CL 30 pF, VIH 2.5V, VIL 0V
2.5
0.6
Symbol
Parameter
Conditions
Typical
Units
CIN
Input Capacitance
VCC Open, VI 0V or VCC
7pF
CI/O
Input/Output Capacitance
VCC 3.3V, VI 0V or VCC
8pF
CPD
Power Dissipation Capacitance
VCC 3.3V, VI 0V or VCC, f 10 MHz
20
pF


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