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74LVCH245ABQ Datasheet(PDF) 8 Page - NXP Semiconductors

No. de pieza 74LVCH245ABQ
Descripción Electrónicos  Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state)
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74LVCH245ABQ Datasheet(HTML) 8 Page - NXP Semiconductors

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2003 May 07
8
Philips Semiconductors
Product specification
Octal bus transceiver with direction pin with 5 V tolerant
input/outputs (3-state)
74LVC245A;
74LVCH245A
Notes
1. All typical values are measured at VCC = 3.3 V and Tamb =25 °C.
2. For bus-hold parts, the bus-hold circuit is switched off when VI >VCC allowing 5.5 V on the input terminal.
3. For I/O ports the parameter IOZ includes the input leakage current.
4. Valid for data inputs of bus-hold parts (74LVCH245A) only.
5. For data inputs only, control inputs do not have a bus-hold circuit.
6. The specified sustaining current at the data input holds the input below the specified VI level.
7. The specified overdrive current at the data input forces the data input to the opposite logic input state.
Tamb = −40 to +125 °C
VIH
HIGH-level input
voltage
1.2
VCC
−−
V
2.7 to 3.6
2.0
−−
V
VIL
LOW-level input voltage
1.2
−−
0V
2.7 to 3.6
−−
0.8
V
VOH
HIGH-level output
voltage
VI =VIH or VIL
IO = −100 µA
2.7 to 3.6
VCC − 0.3
−−
V
IO = −12 mA
2.7
VCC − 0.65 −−
V
IO = −18 mA
3.0
VCC − 0.75 −−
V
IO = −24 mA
3.0
VCC − 1
−−
V
VOL
LOW-level output
voltage
VI =VIH or VIL
IO = 100 µA
2.7 to 3.6
−−
0.3
V
IO = 12 mA
2.7
−−
0.6
V
IO = 24 mA
3.0
−−
0.8
V
ILI
input leakage current
VI = 5.5 V or GND; note 2
3.6
−−
±20
µA
IOZ
3-state output
OFF-state current
VI =VIH or VIL;
VO = 5.5 V or GND;
notes 2 and 3
3.6
−−
±20
µA
Ioff
power off leakage
supply
VI or VO = 5.5 V
0.0
−−
±20
µA
ICC
quiescent supply
current
VI =VCC or GND; IO = 0
3.6
−−
40
µA
∆ICC
additional quiescent
supply current per in.
pin
VI =VCC − 0.6 V; IO = 0
2.7 to 3.6
−−
5000
µA
IBH(L)
bus-hold LOW
sustaining current
VI = 0.8 V; notes 4, 5 and 6
3.0
60
−−
µA
IBH(H)
bus-hold HIGH
sustaining current
VI = 2.0 V; notes 4, 5 and 6
3.0
−60
−−
µA
IBH(LO)
bus-hold LOW overdrive
current
notes 4, 5 and 7
3.6
500
−−
µA
IBH(HO)
bus-hold HIGH
overdrive current
notes 4, 5 and 7
3.6
−500
−−
µA
SYMBOL
PARAMETER
TEST CONDITIONS
MIN.
TYP.(1) MAX.
UNIT
OTHER
VCC (V)


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