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What is 74ABT374CSC?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Octal D-Type Flip-Flop with 3-STATE Outputs".


74ABT374CSC Datasheet PDF - Fairchild Semiconductor

Part Number 74ABT374CSC
Description Octal D-Type Flip-Flop with 3-STATE Outputs
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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November 1992
Revised November 1999
74ABT374
Octal D-Type Flip-Flop with 3-STATE Outputs
General Description
The ABT374 is an octal D-type flip-flop featuring separate
D-type inputs for each flip-flop and 3-STATE outputs for
bus-oriented applications. A buffered Clock (CP) and Out-
put Enable (OE) are common to all flip-flops.
Features
s Edge-triggered D-type inputs
s Buffered positive edge-triggered clock
s 3-STATE outputs for bus-oriented applications
s Output sink capability of 64 mA, source capability of
32 mA
s Guaranteed output skew
s Guaranteed multiple output switching specifications
s Output switching specified for both 50 pF and 250 pF
loads
s Guaranteed simultaneous switching, noise level and
dynamic threshold performance
s Guaranteed latchup protection
s High impedance glitch free bus loading during entire
power up and power down cycle
s Non-destructive hot insertion capability
Ordering Code:
Order Number
74ABT374CSC
74ABT374CSJ
Package Number
Package Description
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300Wide Body
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ABT374CMSA
MSA20
20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
74ABT374CMTC
74ABT374CPC
MTC20
N20A
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
Description
D0D7
CP
Data Inputs
Clock Pulse Input (Active Rising Edge)
OE 3-STATE Output Enable Input (Active LOW)
O0O7
3-STATE Outputs
© 1999 Fairchild Semiconductor Corporation DS011510
www.fairchildsemi.com

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74ABT374CSC equivalent
Extended AC Electrical Characteristics
(SOIC Package)
TA = −40°C to +85°C
TA = −40°C to +85°C
TA = −40°C to +85°C
VCC = 4.5V to 5.5V
VCC = 4.5V to 5.5V
VCC = 4.5V to 5.5V
Symbol
Parameter
CL = 50 pF
8 Outputs Switching
CL = 250 pF
(Note 9)
CL = 250 pF
8 Outputs Switching
Units
(Note 8)
(Note 10)
Min Max Min Max Min Max
tPLH Propagation Delay
1.5 5.7 2.0 7.8 2.0 10.0
tPHL
CP to On
1.5 5.7 2.0 7.8 2.0 10.0
tPZH Output Enable Time
1.5 6.2 2.0 8.0 2.0 10.5
tPZL 1.5 6.2 2.0 8.0 2.0 10.5
tPHZ
tPZL
Output Disable Time
1.0 5.5
1.0 5.5
(Note 11)
(Note 11)
Note 8: 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.).
ns
ns
ns
Note 9: This specification is guaranteed but not tested. The limits represent propagation delay with 250 pF load capacitors in place of the 50 pF load capac-
itors in the standard AC load. This specification pertains to single output switching only.
Note 10: This specification is guaranteed but not tested. The limits represent propagation delays for all paths described switching in phase
(i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.) with 250 pF load capacitors in place of the 50 pF load capacitors in the standard AC load.
Note 11: The 3-STATE delay Time is dominated by the RC network (500, 250 pF) on the output and has been excluded from the datasheet.
Skew (Note 16)
(SOIC Package)
Symbol
Parameter
TA = −40°C to +85°C
VCC = 4.5V–5.5V
CL = 50 pF
8 Outputs Switching
TA = −40°C to +85°C
VCC = 4.5V–5.5V
CL = 250 pF
8 Outputs Switching
Units
(Note 12)
(Note 13)
Max
Max
tOSHL
(Note 14)
Pin to Pin Skew
HL Transitions
1.0 1.8 ns
tOSLH
(Note 14)
Pin to Pin Skew
LH Transitions
1.0 1.8 ns
tPS
(Note 13)
Duty Cycle
LHHL Skew
1.8 4.3 ns
tOST
(Note 14)
Pin to Pin Skew
LH/HL Transitions
2.0 4.3 ns
tPV
(Note 15)
Device to Device Skew
LH/HL Transitions
2.5 4.6 ns
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.
Note 13: This describes the difference between the delay of the LOW-to-HIGH and the HIGH-to-LOW transition on the same pin. It is measured across all
the outputs (drivers) on the same chip, the worst (largest delta) number is the guaranteed specification. This specification is guaranteed but not tested.
Note 14: 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). This specification is guaranteed but not tested.
Note 15: Propagation delay variation for a given set of conditions (i.e., temperature and VCC) from device to device. This specification is guaranteed but not
tested.
Note 16: 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.).
Capacitance
Symbol
Parameter
Typ
CIN Input Capacitance
5.0
COUT (Note 17) Output Capacitance
9.0
Note 17: COUT is measured at frequency f = 1 MHz, per MIL-STD-883, Method 3012.
Units
pF
pF
VCC = 0V
VCC = 5.0V
Conditions
(TA = 25°C)
5 www.fairchildsemi.com


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Featured Datasheets

Part NumberDescriptionMFRS
74ABT374CSCThe function is Octal D-Type Flip-Flop with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor
74ABT374CSJThe function is Octal D-Type Flip-Flop with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor

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