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74LCX241 데이터시트 PDF




Fairchild Semiconductor에서 제조한 전자 부품 74LCX241은 전자 산업 및 응용 분야에서
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부품번호 74LCX241 기능
기능 Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
제조업체 Fairchild Semiconductor
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74LCX241 데이터시트, 핀배열, 회로
August 1998
Revised April 1999
74LCX241
Low Voltage Octal Buffer/Line Driver with
5V Tolerant Inputs and Outputs
General Description
The LCX241 is an octal buffer and line driver designed to
be employed as a memory address driver, clock driver and
bus oriented transmitter or receiver. The device is designed
for low voltage (2.5V or 3.3V) VCC applications with capa-
bility of interfacing to a 5V signal environment.
The LCX241 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
s 5V tolerant inputs and outputs
s 2.3V – 3.6V VCC specifications provided
s 6.5 ns tPD max (VCC = 3.3V), 10 µA ICC max
s Power-down high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
s Implements patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human Body Model > 2000V
Machine Model > 200V
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to VCC and OE should be tied to GND through a resistor: the
minimum value or the resistor is determined by the current-sourcing capa-
bility of the driver.
Ordering Code:
Order Number Package Number
Package Description
74LCX241WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
74LCX241MSA
M20D
20-Lead Small Outline Package (SOP), EIAJ Type II, 5.3mm Wide
74LCX241SJ
MSA20
20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm WIde
74LCX241MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
OE1, OE2
I0–I7
O0–O7
Description
3-STATE Output Enable Inputs
Inputs
Outputs
© 1999 Fairchild Semiconductor Corporation DS012639.prf
www.fairchildsemi.com




74LCX241 pdf, 반도체, 판매, 대치품
DC Electrical Characteristics (Continued)
Symbol
Parameter
ICC Quiescent Supply Current
ICC
Increase in ICC per Input
Note 5: Outputs disabled or 3-STATE only.
Conditions
VI = VCC or GND
3.6V VI, VO 5.5V (Note 5)
VIH = VCC 0.6v
VCC
(V)
2.3 - 3.6
2.3 - 3.6
2.3 - 3.6
TA = −40°C to +85°C
Min Max
10
± 10
500
Units
µA
µA
AC Electrical Characteristics
TA = −40°C to +85°C, RL = 500
Symbol
Parameter
VCC = 3.3V ± 0.3V
CL = 50 pF
VCC = 2.7V
CL = 50 pF
VCC = 2.5V ± 0.2V
CL = 30 pF
Units
Min Max Min Max Min Max
tPHL Propagation Delay
tPLH Data to Output
1.5 6.5 1.5 7.5 1.5 7.8
1.5 6.5 1.5 7.5 1.5 7.8
ns
tPZL
tPZH
Output Enable Time
1.5 8.0
1.5 8.0
1.5 9.0 1.5 10.0
1.5 9.0 1.5 10.0
ns
tPLZ
tPHZ
Output Disable Time
1.5 7.0 1.5 8.0 1.5 8.4
1.5 7.0 1.5 8.0 1.5 8.4
ns
tOSHL
tOSLH
Output to Output Skew (Note 6)
1.0
1.0
ns
Note 6: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Dynamic Switching Characteristics
Symbol
Parameter
VOLP
Quiet Output Dynamic Peak VOL
VOLV
Quiet Output Dynamic Valley VOL
Capacitance
Conditions
CL = 50 pF, VIL = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
CL = 50 pF, VIL = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
VCC TA = 25°C
Units
(V) Typical
3.3 0.8
2.5 0.6
V
3.3 0.8
2.5 0.6
V
Symbol
CIN
COUT
CPD
Parameter
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Conditions
VCC = Open, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
Typical
7
8
25
Units
pF
pF
pF
www.fairchildsemi.com
4

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74LCX241 전자부품, 판매, 대치품
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
Package Number M20B
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
7 www.fairchildsemi.com

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74LCX240

Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs

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