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74LCXR2245_08 Datasheet, PDF (4/12 Pages) Fairchild Semiconductor – 74LCXR2245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs | |||
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DC Electrical Characteristics
Symbol
Parameter
VIH HIGH Level Input Voltage
VIL LOW Level Input Voltage
VOH HIGH Level Output Voltage
VOL LOW Level Output Voltage
II
Input Leakage Current
IOZ 3-STATE I/O Leakage
IOFF Power-Off Leakage Current
ICC Quiescent Supply Current
âICC Increase in ICC per Input
Note:
5. Outputs disabled or 3-STATE only.
VCC (V)
2.3â2.7
2.7â3.6
2.3â2.7
2.7â3.6
2.3â3.6
2.3
2.7
3.0
2.7
3.0
2.3â3.6
2.3
2.7
3.0
2.7
3.0
2.3â3.6
2.3â3.6
0
2.3â3.6
2.3â3.6
2.3â3.6
Conditions
IOH = â100µA
IOH = â4mA
IOH = â4mA
IOH = â6mA
IOH = â8mA
IOH = â12mA
IOL = 100µA
IOL = 4mA
IOL = 4mA
IOL = 6mA
IOL = 8mA
IOL = 12mA
0 ⤠VI ⤠5.5V
0 ⤠VO ⤠5.5V,
VI = VIH or VIL
VI or VO = 5.5V
VI = VCC or GND
3.6V ⤠VI, VO ⤠5.5V(5)
VIH = VCC â0.6V
TA = â40°C to +85°C
Min
Max
1.7
2.0
0.7
0.8
VCC â 0.2
1.8
2.2
2.4
2.0
2.0
0.2
0.6
0.4
0.55
0.6
0.8
±5.0
±5.0
10
10
±10
500
Units
V
V
V
V
µA
µA
µA
µA
µA
AC Electrical Characteristics
Symbol
Parameter
TA = â40°C to +85°C, RL = 500â¦
VCC = 3.3V ± 0.3V, VCC = 2.7V,
CL = 50pF
CL = 50pF
VCC = 2.5V ± 0.2V,
CL = 30pF
Min. Max. Min. Max. Min.
Max.
Units
tPHL, tPLH Propagation Delay,
1.5
An to Bn or Bn to An
tPZL, tPZH Output Enable Time
1.5
tPLZ, tPHZ Output Disable Time
1.5
tOSHL, tOSLH Output to Output Skew(6)
8.0
1.5
9.0
1.5
9.5
1.5 10.5
1.5
7.5
1.5
8.5
1.5
1.0
9.6
ns
11.0
ns
9.0
ns
ns
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).
©2000 Fairchild Semiconductor Corporation
74LCXR2245 Rev. 1.2.0
4
www.fairchildsemi.com
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