74LVC245AD データシートの表示（PDF） - Philips Electronics
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74LVC245AD
Philips Electronics
74LVC245AD Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal bus transceiver with direction pin with 5 V tolerant
input/outputs (3-state)
Product specification
74LVC245A;
74LVCH245A
SYMBOL
PARAMETER
TEST CONDITIONS
OTHER
VCC (V)
MIN. TYP.(1) MAX. UNIT
Tamb = −40 to +125 °C
VIH
HIGH-level input
voltage
VIL
LOW-level input voltage
VOH
VOL
ILI
IOZ
Ioff
ICC
∆ICC
IBH(L)
IBH(H)
IBH(LO)
IBH(HO)
HIGH-level output
voltage
LOW-level output
voltage
input leakage current
3-state output
OFF-state current
VI = VIH or VIL
IO = −100 µA
IO = −12 mA
IO = −18 mA
IO = −24 mA
VI = VIH or VIL
IO = 100 µA
IO = 12 mA
IO = 24 mA
VI = 5.5 V or GND; note 2
VI = VIH or VIL;
VO = 5.5 V or GND;
notes 2 and 3
power off leakage
supply
VI or VO = 5.5 V
quiescent supply
current
VI = VCC or GND; IO = 0
additional quiescent
supply current per in.
pin
VI = VCC − 0.6 V; IO = 0
bus-hold LOW
sustaining current
VI = 0.8 V; notes 4, 5 and 6
bus-hold HIGH
sustaining current
VI = 2.0 V; notes 4, 5 and 6
bus-hold LOW overdrive notes 4, 5 and 7
current
bus-hold HIGH
overdrive current
notes 4, 5 and 7
1.2
2.7 to 3.6
1.2
2.7 to 3.6
2.7 to 3.6
2.7
3.0
3.0
2.7 to 3.6
2.7
3.0
3.6
3.6
0.0
3.6
2.7 to 3.6
3.0
3.0
3.6
3.6
VCC
−
2.0
−
−
−
−
−
VCC − 0.3 −
VCC − 0.65 −
VCC − 0.75 −
VCC − 1 −
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
60
−
−60
−
500
−
−500
−
−
V
−
V
0
V
0.8 V
−
V
−
V
−
V
−
V
0.3 V
0.6 V
0.8 V
±20 µA
±20 µA
±20 µA
40 µA
5000 µA
−
µA
−
µA
−
µA
−
µA
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.
2003 May 07
8
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