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74LVT244B 数据表(PDF) 4 Page - NXP Semiconductors

部件名 74LVT244B
功能描述  3.3V Octal buffer/line driver 3-State
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74LVT244B 数据表(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74LVT244B
3.3V Octal buffer/line driver (3-State)
1998 Nov 12
4
LOGIC SYMBOL (IEEE/IEC)
1
2
18
4
16
6
14
8
12
19
11
9
13
7
15
5
17
3
EN
EN
SV00012
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
VCC
DC supply voltage
–0.5 to +4.6
V
VI
DC input voltage3
–0.5 to +7.0
V
VOUT
DC output voltage3
Output in Off or High state
–0.5 to +7.0
V
IOUT
DC output current
Output in Low state
128
mA
IOUT
DC out ut current
Output in High state
–64
mA
IIK
DC input diode current
VI < 0
–50
mA
IOK
DC output diode current
VO < 0
–50
mA
Tstg
Storage temperature range
–65 to 150
°C
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150
°C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
MIN
MAX
UNIT
VCC
DC supply voltage
2.7
3.6
V
VI
Input voltage
0
5.5
V
VIH
High-level input voltage
2.0
V
VIL
Low-level input voltage
0.8
V
IOH
High-level output current
–32
mA
IOL
Low-level output current
32
mA
IOL
Low-level output current; current duty cycle
≤ 50%, f ≥ 1kHz
64
mA
∆t/∆v
Input transition rise or fall rate; outputs enabled
10
ns/V
Tamb
Operating free-air temperature range
–40
+85
°C


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