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74LCX240WM 데이터시트 PDF




Fairchild Semiconductor에서 제조한 전자 부품 74LCX240WM은 전자 산업 및 응용 분야에서
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부품번호 74LCX240WM 기능
기능 Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
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74LCX240WM 데이터시트, 핀배열, 회로
February 1994
Revised April 1999
74LCX240
Low Voltage Octal Buffer/Line Driver with
5V Tolerant Inputs and Outputs
General Description
The LCX240 is an inverting 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 appli-
cations with capability of interfacing to a 5V signal environ-
ment.
The LCX240 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 ±24 mA output drive (VCC = 3.0V)
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 through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Order Number Package Number
Package Description
74LCX240WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
74LCX240SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LCX240MSA
MSA20
20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
74LCX240MTC
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.
Logic Diagram
Connection Diagram
© 1999 Fairchild Semiconductor Corporation DS011993.prf
www.fairchildsemi.com




74LCX240WM pdf, 반도체, 판매, 대치품
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
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 9.0 1.5 10.0
ns
1.5 8.0 1.5 9.0 1.5 10.0
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, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
CL = 50 pF, VIH = 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
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74LCX240WM 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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부품번호상세설명 및 기능제조사
74LCX240WM

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

Fairchild Semiconductor
Fairchild Semiconductor

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