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PDF 7LVT2241PWDH Data sheet ( Hoja de datos )
| Número de pieza | 7LVT2241PWDH | |
| Descripción | 3.3V Octal buffer/line driver with 30ohm series termination resistors; 3-State | |
| Fabricantes | NXP Semiconductors | |
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Philips Semiconductors
3.3V Octal buffer/line driver with 30W series
termination resistors; 3-State
Product specification
74LVT2241
FEATURES
• Octal bus interface
• 3-State buffers
• Output capability: +12mA/-12mA
• 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.
• Outputs include series resistance of 30Ω, making external
termination resistors unnecessary.
DESCRIPTION
The 74LVT2241 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74LVT2241 device is an octal buffer that is ideal for driving bus
lines. The device features two Output Enables (1OE, 2OE), each
controlling four of the 3-State outputs.
The 74LVT2241 is designed with 30Ω series resistance in both the
High and Low states of the output. This design reduces the line
noise in applications such as memory address drivers, clock drivers
and bus receivers/transmitters.
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
3.0
3.3
4
8
0.12
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
74LVT2241 D
74LVT2241 DB
74LVT2241 PW
NORTH AMERICA
74LVT2241 D
74LVT2241 DB
7LVT2241PW DH
DWG NUMBER
SOT163-1
SOT339-1
SOT360-1
PIN CONFIGURATION
1OE 1
1A0 2
2Y0 3
1A1 4
2Y1 5
1A2 6
2Y2 7
1A3 8
2Y3 9
GND 10
20 VCC
19 2OE
18 1Y0
17 2A0
16 1Y1
15 2A1
14 1Y2
13 2A2
12 1Y3
11 2A3
PIN DESCRIPTION
PIN NUMBER SYMBOL
2, 4, 6, 8
1A0 – 1A3
17, 15, 13, 11 2A0 – 2A3
18, 16, 14, 12 1Y0 – 1Y3
3, 5, 7, 9
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
SA00038
1996 May 29
1 853-1840 16867
1 page  
Philips Semiconductors
3.3V Octal buffer/line driver with 30W series
termination resistors; 3-State
Product specification
74LVT2241
TEST CIRCUIT AND WAVEFORMS
VCC
PULSE
GENERATOR
VIN
RT
D.U.T.
VOUT
CL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
6V
GND
6.0V
Open
90%
RL
GND
NEGATIVE
PULSE
RL
POSITIVE
PULSE
10%
VM
10%
tW
VM
10%
tTHL (tF)
tTLH (tR)
90%
VM
90%
VM
tW
VM = 1.5V
Input Pulse Definition
90%
AMP (V)
0V
tTLH (tR)
tTHL (tF)
AMP (V)
10%
0V
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
FAMILY
74LVT
INPUT PULSE REQUIREMENTS
Amplitude Rep. Rate tW tR tF
2.7V
v10MHz 500ns v2.5ns v2.5ns
SV00092
1996 May 29
5
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| PDF Descargar | [ Datasheet 7LVT2241PWDH.PDF ] | |
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