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74LVTH244 PDF даташит

Спецификация 74LVTH244 изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «3.3V Octal buffer/line driver 3-State».

Детали детали

Номер произв 74LVTH244
Описание 3.3V Octal buffer/line driver 3-State
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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74LVTH244 Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
74LVTH244A
3.3V Octal buffer/line driver (3-State)
Propduct specification
IC23 Data Handbook
1998 Oct 02
Philips
Semiconductors









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74LVTH244 Даташит, Описание, Даташиты
Philips Semiconductors
3.3V Octal buffer/line driver (3-State)
Product specification
74LVTH244A
FEATURES
Octal bus interface
3-State buffers
Output capability: +64mA/-32mA
TTL input and output switching levels
Input and output interface capability to systems at 5V supply
Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
Power-up 3-State
Live insertion/extraction permitted
No bus current loading when output is tied to 5V bus
Latch-up protection exceeds 500mA per JEDEC Std 17
ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
The LVTH244A is a high-performance BiCMOS product designed for
VCC operation at 3.3V.
This device is an octal buffer that is ideal for driving bus lines. The
device features two Output Enables (OE1, OE2), each controlling
four of the 3-State outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
CIN
COUT
ICCZ
Propagation delay
nAx to nYx
Input capacitance
Output capacitance
Total supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF;
VCC = 3.3V
VI = 0V or 3.0V
Outputs disabled; VO = 0V or 3.0V
Outputs disabled; VCC = 3.6V
TYPICAL
1.9
2.0
4
8
0.13
UNIT
ns
pF
pF
mA
ORDERING INFORMATION
PACKAGES
20-Pin Plastic SOL
20-Pin Plastic SSOP Type II
20-Pin Plastic TSSOP Type I
TEMPERATURE RANGE
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
OUTSIDE NORTH AMERICA
74LVTH244A D
74LVTH244A DB
74LVTH244A PW
NORTH AMERICA
74LVTH244A D
74LVTH244A DB
7LVTH244APW DH
DWG NUMBER
SOT163-1
SOT339-1
SOT360-1
PIN CONFIGURATION
1OE 1
1A0 2
2Y3 3
1A1 4
2Y2 5
1A2 6
2Y1 7
1A3 8
2Y0 9
GND 10
20 VCC
19 2OE
18 1Y0
17 2A3
16 1Y1
15 2A2
14 1Y2
13 2A1
12 1Y3
11 2A0
PIN DESCRIPTION
PIN NUMBER
SYMBOL
2, 4, 6, 8
1A0 – 1A3
11. 13, 15, 17
2A0 – 2A3
18, 16, 14, 12
1Y0 – 1Y3
9, 7, 5, 3
2Y0 – 2Y3
1, 19
1OE, 2OE
10 GND
20 VCC
NAME AND FUNCTION
Data inputs
Data inputs
Data outputs
Data outputs
Output enables
Ground (0V)
Positive supply voltage
1998 Oct 02
SV00010
2
853-2130 20128









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74LVTH244 Даташит, Описание, Даташиты
Philips Semiconductors
3.3V Octal buffer/line driver (3-State)
Product specification
74LVTH244A
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
2 1A0
4 1A1
6 1A2
8 1A3
1 1OE
11 2A0
13 2A1
15 2A2
17 2A3
19 2OE
1Y0 18
1Y1 16
1Y2 14
1Y3
12
2Y0 9
2Y1
7
2Y2 5
2Y3 3
FUNCTION TABLE
INPUTS
nOE1
nAx
LL
LH
HX
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off ” state
SV00011
OUTPUTS
nYx
L
H
Z
1 EN
2
4
6
8
19
EN
11
13
15
17
18
16
14
12
9
7
5
3
SV00012
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
VCC
VI
VOUT
IOUT
DC supply voltage
DC input voltage3
DC output voltage3
DC output current
Output in Off or High state
Output in Low state
Output in High state
–0.5 to +4.6
–0.5 to +7.0
–0.5 to +7.0
128
–64
V
V
V
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.
1998 Oct 02
3










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