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74ACQ574 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer 74ACQ574
Beschreibung Quiet Series Octal D-Type Flip-Flop with 3-STATE Outputs
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 10 Seiten
74ACQ574 Datasheet, Funktion
www.DataSheet4U.com
January 1990
Revised November 1999
74ACQ574 74ACTQ574
Quiet SeriesOctal D-Type Flip-Flop
with 3-STATE Outputs
General Description
The ACQ/ACTQ574 is a high-speed, low-power octal D-
type flip-flop with a buffered Common Clock (CP) and a
buffered common Output Enable (OE). The information
presented to the D inputs is stored in the flip-flops on the
LOW-to-HIGH clock (CP) transition.
ACQ/ACTQ574 utilizes FACT Quiet Seriestechnology to
guarantee quiet output switching and improve dynamic
threshold performance. FACT Quiet Series features GTO
output control and undershoot corrector in addition to a
split ground bus for superior performance.
The ACQ/ACTQ574 is functionally identical to the
ACTQ374 but with different pin-out.
Features
s ICC and IOZ reduced by 50%
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Guaranteed pin-to-pin skew AC performance
s Inputs and outputs on opposite sides of the package
allowing easy interface with microprocessors
s Functionally identical to the ACQ/ACTQ374
s 3-STATE outputs drive bus lines or buffer memory
address registers
s Outputs source/sink 24 mA
s Faster prop delays than the standard AC/ACT574
Ordering Code:
Order Number Package Number
Package Description
74ACQ574SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300Wide Body
74ACQ574SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACQ574PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide
74ACTQ574SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300Wide Body
74ACTQ574SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACTQ574PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide
Device also available in Tape and Reel. Specify by appending suffix “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
D0D7
CP
OE
O0O7
Description
Data Inputs
Clock Pulse Input
3-STATE Output Enable Input
3-STATE Outputs
FACT, Quiet Series, FACT Quiet Seriesand GTOare trademarks of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS010634
www.fairchildsemi.com






74ACQ574 Datasheet, Funktion
AC Operating Requirements for ACTQ
Symbol
Parameter
tS Setup Time, HIGH or LOW
Dn to CP
tH Hold Time, HIGH or LOW
Dn to CP
tW CP Pulse Width,
HIGH or LOW
Note 18: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 18)
5.0
5.0
5.0
Capacitance
TA = +25°C
CL = 50 pF
Typ
TA = −40°C to +85°C
CL = 50 pF
Guaranteed Minimum
0 3.0
3.0
0 1.5
1.5
2.0 4.0
4.0
Units
ns
ns
ns
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ Units
Conditions
4.5
40.0
pF VCC = OPEN
pF VCC = 5.0V
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