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74LCXH2245 Datasheet(HTML) 4 Page - Fairchild Semiconductor

Part No. 74LCXH2245
Description  Low Voltage Bidirectional Transceiver with Bushold and 26ohm Series Resistors in B Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74LCXH2245 Datasheet(HTML) 4 Page - Fairchild Semiconductor

 
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4
DC Electrical Characteristics (Continued)
Note 4: Outputs disabled or 3-STATE only.
Note 5: An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 6: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
AC Electrical Characteristics
Note 7: 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).
Symbol
Parameter
Conditions
VCC
TA 40qC to 85qC
Units
(V)
Min
Max
VOL
LOW Level Output Voltage
IOL 100 PA2.3  3.6
0.2
V
A Outputs
IOL 8 mA
2.3
0.6
IOL 12 mA
2.7
0.4
IOL 16 mA
3.0
0.4
IOL 24 mA
3.0
0.55
VOL
LOW Level Output Voltage
IOL 100 PA2.3  3.6
0.2
V
B Outputs
IOL 4 mA
2.3
0.6
IOL 4 mA
2.7
0.4
IOL 6 mA
3.0
0.55
IOL 8 mA
2.7
0.6
IOL 12 mA
3.0
0.8
II
Input Leakage Current
VI VCC or GND
2.3
 3.6
r5.0
PA
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 5)
2.7
300
PA
Current to Change State
(Note 6)
300
(Note 5)
3.6
450
(Note 6)
450
IOZ
3-STATE I/O Leakage
VO VCC or GND
2.3
 3.6
r5.0
PA
VI VIH or VIL
ICC
Quiescent Supply Current
VI VCC or GND
2.3
 3.6
10
PA
3.6V
d VI, VO d 5.5V (Note 4)
2.3
 3.6
r10
'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
1.58.0
1.59.0
1.59.6
ns
tPLH
A to B
tPHL
Propagation Delay
1.57.0
1.58.0
1.58.4
ns
tPLH
B to A
tPZL
Output Enable Time
1.5
9.5
1.5
10.5
1.5
11.0
ns
tPZH
A to B
tPZL
Output Enable Time
1.58.5
1.59.5
1.5
10.5
ns
tPZH
B to A
tPLZ
Output Disable Time
1.57.5
1.58.5
1.59.0
ns
tPHZ
A to B
tPLZ
Output Disable Time
1.57.5
1.58.5
1.59.0
ns
tPHZ
B to A
tOSHL
Output to Output Skew
1.0
ns
tOSLH
(Note 7)


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