7LVT244BPWDH PDF даташит
Спецификация 7LVT244BPWDH изготовлена «NXP Semiconductors» и имеет функцию, называемую «3.3V Octal buffer/line driver 3-State». |
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Детали детали
Номер произв | 7LVT244BPWDH |
Описание | 3.3V Octal buffer/line driver 3-State |
Производители | NXP Semiconductors |
логотип |
10 Pages
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INTEGRATED CIRCUITS
74LVT244B
3.3V Octal buffer/line driver (3-State)
Propduct specification
IC23 Data Handbook
1998 Nov
Philips
Semiconductors
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Philips Semiconductors
3.3V Octal buffer/line driver (3-State)
Product specification
74LVT244B
FEATURES
• Octal bus interface
• 3-State buffers
• Speed upgrade of 74LVTH244A
• 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 LVT244B 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
74LVT244B D
74LVT244B DB
74LVT244B PW
NORTH AMERICA
74LVT244B D
74LVT244B DB
7LVT244BPW DH
DWG NUMBER
SOT163-1
SOT339-1
SOT360-1
1998 Nov 12
2 853-2133 20358
No Preview Available ! |
Philips Semiconductors
3.3V Octal buffer/line driver (3-State)
Product specification
74LVT244B
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
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
SV00010
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
LOGIC SYMBOL
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
SV00011
1998 Nov 12
3
OUTPUTS
nYx
L
H
Z
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Номер в каталоге | Описание | Производители |
7LVT244BPWDH | 3.3V Octal buffer/line driver 3-State | NXP Semiconductors |
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