74LVC245AD 查看數據表（PDF） - NXP Semiconductors.
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74LVC245AD Datasheet PDF : 18 Pages
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Nexperia
74LVC245A; 74LVCH245A
Octal bus transceiver; 3-state
Table 6. Static characteristics …continued
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
40 C to +85 C
Min Typ[1] Max
IOZ
OFF-state
VI = VIH or VIL;
[3]
output current VO = 5.5 V or GND;
VCC = 3.6 V
IOFF
power-off
VI or VO = 5.5 V; VCC = 0.0
leakage
V
current
-
0.1
5
-
0.1
10
ICC
supply
current
VI = VCC or GND; IO = 0 A;
VCC = 3.6 V
-
0.1
10
ICC
additional
supply
current
per input pin;
VI = VCC 0.6 V; IO = 0 A;
VCC = 2.7 V to 3.6 V
-
5
500
CI
input
VCC = 0 V to 3.6 V;
capacitance VI = GND to VCC
-
4.0
-
CI/O
input/output VCC = 0 V to 3.6 V;
capacitance VI = GND to VCC
-
10
-
IBHL
bus hold
VCC = 1.65; VI = 0.58 V
[4][5]
10
-
-
LOW current VCC = 2.3; VI = 0.7 V
30
-
-
VCC = 3.0; VI = 0.8 V
75
-
-
IBHH
bus hold
VCC = 1.65; VI = 1.07 V
[4][5]
10
-
-
HIGH current VCC = 2.3; VI = 1.7 V
30
-
-
VCC = 3.0; VI = 2.0 V
75
-
-
IBHLO
bus hold
LOW
overdrive
current
VCC = 1.95 V
VCC = 2.7 V
VCC = 3.6 V
200
-
-
300
-
-
[4][6]
500
-
-
IBHHO
bus hold
HIGH
overdrive
current
VCC = 1.95 V
VCC = 2.7 V
VCC = 3.6 V
200
-
-
300
-
-
[4][6]
500
-
-
40 C to +125 C
Min
Max
-
20
-
20
-
40
-
5 000
-
-
-
-
10
-
25
-
60
-
10
-
25
-
60
-
200
-
300
-
500
-
200
-
300
-
500
-
[1] All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb = 25 C.
[2] 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 only (74LVCH245A). Note that control inputs do not have a bus hold circuit.
[5] The specified sustaining current at the data input holds the input below the specified VI level.
[6] The specified overdrive current at the data input forces the data input to the opposite input state.
Unit
A
A
A
A
pF
pF
A
A
A
A
A
A
A
A
A
A
A
A
74LVC_LVCH245A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 28 June 2013
© Nexperia B.V. 2017. All rights reserved
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