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부품번호 74ACTQ16244MTD 기능
기능 16-Bit Buffer/Line Driver with 3-STATE Outputs
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74ACTQ16244MTD 데이터시트, 핀배열, 회로
May 1991
Revised November 1999
74ACTQ16244
16-Bit Buffer/Line Driver with 3-STATE Outputs
General Description
The ACTQ16244 contains sixteen non-inverting buffers
with 3-STATE outputs designed to be employed as a mem-
ory and address driver, clock driver, or bus oriented trans-
mitter/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 ACTQ16244 utilizes Fairchild’s Quiet Series technol-
ogy to guarantee quiet output switching and improved
dynamic threshold performance. FACT Quiet Seriesfea-
tures GTOoutput control for superior performance.
Features
s Utilizes Fairchild’s FACT Quiet Series technology
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Guaranteed pin-to-pin output skew
s Separate control logic for each byte and nibble
s 16-bit version of the ACTQ244
s Outputs source/sink 24 mA
s Additional specs for multiple output switching
s Output loading specs for both 50 pF and 250 pF loads
Ordering Code:
Order Number Package Number
Package Description
74ACTQ16244SSC
74ACTQ16244MTD
MS48A
MTD48
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300Wide
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter Xto the ordering code.
Logic Symbol
Pin Description
Pin Names
OEn
I0I15
O0O15
Description
Output Enable Input (Active LOW)
Inputs
Outputs
FACT, FACT Quiet Series, and GTOare trademarks of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS010925
www.fairchildsemi.com




74ACTQ16244MTD pdf, 반도체, 판매, 대치품
AC Electrical Characteristics
Symbol
Parameter
tPLH Propagation
tPHL
Delay An, Bn to Bn, An
tPZH Output Enable
tPZL Time
tPHZ
Output Disable
tPLZ Time
Note 8: Voltage Range 5.0 is 5.0V ± 0.5V.
VCC
(V)
(Note 8)
5.0
5.0
5.0
TA = +25°C
CL = 50 pF
Min Typ Max
3.0 5.2 7.3
2.5 4.8 6.8
2.5 5.0 7.4
2.7 4.6 7.5
2.3 5.0 7.9
2.0 4.6 7.4
TA = −40°C to +85°C
CL = 50 pF
Min Max
3.0 7.8
2.5 7.3
2.5 7.9
2.7 8.0
2.3 8.2
2.0 7.9
Units
ns
ns
ns
Extended AC Electrical Characteristics
TA = −40°C to +85°C
CL = 50 pF
TA = −40°C to +85°C
Symbol
Parameter
VCC 16 Outputs Switching
CL = 250 pF
Units
(V) (Note 11)
(Note 12)
(Note 8)
Min
Typ
Max
Min
Max
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tOSHL
(Note 10)
Propagation Delay
Data to Output
Output Enable
Time
Output Disable
Time
Pin to Pin Skew
HL Data to Output
5.0 4.0
3.4
5.0 3.5
3.4
5.0 3.6
3.1
5.0
11.6
9.6
10.1
10.0
8.9
8.1
1.2
5.6 14.3
4.8 13.1
(Note 13)
(Note 14)
ns
ns
ns
ns
tOSLH
Pin to Pin Skew
5.0
2.5
ns
(Note 10) LH Data to Output
tOST
Pin to Pin Skew
5.0
4.3
ns
(Note 10) LH/HL Data to Output
Note 9: Voltage Range 5.0 is 5.0V ± 0.5V.
Note 10: Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate outputs of the same device.
The specification applies to any outputs switching HIGH-to-LOW (tOSHL), LOW-to-HIGH (tOSLH), or any combination switching LOW-to-HIGH and/or HIGH-
to-LOW (tOST).
Note 11: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase
(i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.).
Note 12: This specification is guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load
capacitors in the standard AC load. This specification pertains to single output switching only.
Note 13: 3-STATE delays are load dominated and have been excluded from the datasheet.
Note 14: The Output Disable Time is dominated by the RC network (500, 250 pF) on the output and has been excluded from the datasheet.
Capacitance
Symbol
CIN
CPD
Parameter
Input Pin Capacitance
Power Dissipation Capacitance
Typ Units
Conditions
4.5 pF VCC = 5.0V
30 pF VCC = 5.0V
www.fairchildsemi.com
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74ACTQ16244MTD 전자부품, 판매, 대치품
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Package Number MTD48
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
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부품번호상세설명 및 기능제조사
74ACTQ16244MTD

16-Bit Buffer/Line Driver with 3-STATE Outputs

Fairchild Semiconductor
Fairchild Semiconductor

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