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부품번호 74LCX16240MEA 기능
기능 Low Voltage 16-Bit Inverting Buffer/Line Driver with 5V Tolerant Inputs/Outputs
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74LCX16240MEA 데이터시트, 핀배열, 회로
February 1994
Revised April 1999
74LCX16240
Low Voltage 16-Bit Inverting Buffer/Line Driver with
5V Tolerant Inputs/Outputs
General Description
The LCX16240 contains sixteen inverting buffers with 3-
STATE outputs designed to be employed as a memory and
address driver, clock driver, or bus-oriented transmitter/
receiver. The device is nibble controlled. Each nibble has
separate 3-STATE control inputs which can be shorted
together for full 16-bit operation.
The LCX16240 is designed for low voltage (2.5V or 3.3V)
VCC applications with capacity of interfacing to a 5V signal
environment.
The LCX16240 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 4.5 ns tPD max (VCC = 3.3V), 20 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
74LCX16240MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74LCX16240MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Logic Symbol
Pin Descriptions
Pin Names
OEn
I0–I15
O0–O15
Description
Output Enable Inputs (Active LOW)
Inputs
Outputs
© 1999 Fairchild Semiconductor Corporation DS011999.prf
www.fairchildsemi.com




74LCX16240MEA 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
20
±20
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 = 2.5 ± 0.2V
CL = 30 pF
Units
Min Max Min Max Min Max
tPHL Propagation Delay
tPLH Data to Output
1.5 4.5 1.5 5.3 1.5 5.4
1.5 4.5 1.5 5.3 1.5 5.4
ns
tPZL
tPZH
Output Enable Time
1.5 5.4 1.5 6.0 1.5 7.0
1.5 5.4 1.5 6.0 1.5 7.0
ns
tPLZ
tPHZ
Output Disable Time
1.5 5.3 1.5 5.4 1.5 6.4
1.5 5.3 1.5 5.4 1.5 6.4
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 = 30pF, VIH = 2.5V, VIL = 0V
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30pF, VIH = 2.5V, VIL = 0V
VCC TA = 25°C Unit
(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
20
Units
pF
pF
pF
www.fairchildsemi.com
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74LCX16240MEA 전자부품, 판매, 대치품
Physical Dimensions inches (millimeters) unless otherwise noted
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
Package Number MS48A
7 www.fairchildsemi.com

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74LCX16240MEA

Low Voltage 16-Bit Inverting Buffer/Line Driver with 5V Tolerant Inputs/Outputs

Fairchild Semiconductor
Fairchild Semiconductor

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