74LVT244AD データシートの表示（PDF） - NXP Semiconductors.
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74LVT244AD Datasheet PDF : 15 Pages
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NXP Semiconductors
74LVT244A; 74LVTH244A
3.3 V octal buffer/line driver; 3-state
Table 5.
Symbol
IOL
Tamb
∆t/∆V
Operating conditions …continued
Parameter
Conditions
LOW-level output current
none
ambient temperature
current duty cycle ≤ 50 %; fi ≥ 1 kHz
in free-air
input transition rise and fall rate outputs enabled
9. Static characteristics
Min Typ Max Unit
-
-
32
mA
-
-
64
mA
−40
-
+85 °C
-
-
10
ns/V
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
Typ
Tamb = −40 °C to +85 °C [1]
VIK
input clamping voltage
VIH
HIGH-level input voltage
VIL
LOW-level input voltage
VOH
HIGH-level output voltage
VOL
LOW-level output voltage
II
input leakage current
VCC = 2.7 V; IIK = −18 mA
VCC = 2.7 V to 3.6 V; IOH = −100 µA
VCC = 2.7 V to 3.6 V; IOH = −8 mA
VCC = 3.0 V; IOH = −32 mA
VCC = 2.7 V; IOL = 100 µA
VCC = 2.7 V; IOL = 24 mA
VCC = 3.0 V; IOL = 16 mA
VCC = 3.0 V; IOL = 32 mA
VCC = 3.0 V; IOL = 64 mA
all input pins
VCC = 0 V or 3.6 V; VI = 5.5 V
control pins
−1.2
−0.9
2.0
-
-
-
VCC − 0.2 VCC − 0.1
2.4
2.5
2.0
2.2
-
0.1
-
0.3
-
0.25
-
0.3
-
0.4
-
0.1
VCC = 3.6 V; VI = VCC or GND
data pins
-
[2]
±0.1
IOFF
IBHL
IBHH
IBHLO
IBHHO
ILO
power-off leakage current
bus hold LOW current
bus hold HIGH current
bus hold LOW
overdrive current
bus hold HIGH
overdrive current
output leakage current
IO(pu/pd) power-up/power-down
output current
VCC = 3.6 V; VI = VCC
-
VCC = 3.6 V; VI = 0 V
−5
VCC = 0 V; VI or VO = 0 V to 4.5 V
-
VCC = 3 V; VI = 0.8 V
[3]
75
VCC = 3 V; VI = 2.0 V
−
nAn input;
500
VCC = 0 V to 3.6 V; VI = 3.6 V
nAn input;
-
VCC = 0 V to 3.6 V; VI = 3.6 V
nYn output in HIGH-state when
-
VO > VCC; VO = 5.5 V; VCC = 3.0 V
VCC ≤ 1.2 V; VO = 0.5 V to VCC;
[4]
-
VI = GND or VCC; nOE = don’t care
0.1
−1
1
150
−150
-
-
60
±1
Max
-
-
0.8
-
-
-
0.2
0.5
0.4
0.5
0.55
10
±1
1
−
±100
-
−75
-
−500
125
±100
Unit
V
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
74LVT_LVTH244A_4
Product data sheet
Rev. 04 — 3 September 2008
© NXP B.V. 2008. All rights reserved.
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