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54AC374 데이터시트 PDF




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부품번호 54AC374 기능
기능 Octal D Flip-Flop
제조업체 National Semiconductor
로고 National Semiconductor 로고


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54AC374 데이터시트, 핀배열, 회로
www.DataSheet4U.com
August 1998
54AC374 54ACT374
Octal D Flip-Flop with TRI-STATE® Outputs
General Description
The ’AC/’ACT374 is a high-speed, low-power octal D-type
flip-flop featuring separate D-type inputs for each flip-flop
and TRI-STATE outputs for bus-oriented applications. A buff-
ered Clock (CP) and Output Enable (OE) are common to all
flip-flops.
Features
n ICC and IOZ reduced by 50%
n Buffered positive edge-triggered clock
n TRI-STATE outputs for bus-oriented applications
n Outputs source/sink 24 mA
n See ’273 for reset version
n See ’377 for clock enable version
n See ’373 for transparent latch version
n See ’574 for broadside pinout version
n See ’564 for broadside pinout version with inverted
outputs
n ’ACT374 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’AC374: 5962-87694
— ’ACT374: 5962-87631
Logic Symbols
IEEE/IEC
DS100289-1
Pin
Names
D0– D7
CP
OE
O0– O7
Description
Data Inputs
Clock Pulse Input
TRI-STATE Output Enable Input
TRI-STATE Outputs
DS100289-2
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100289
www.national.com




54AC374 pdf, 반도체, 판매, 대치품
DC Characteristics for ’AC Family Devices (Continued)
Symbol
Parameter
IOLD
IOHD
ICC
(Note 3) Minimum
Dynamic Output
Current
Maximum Quiescent
Supply Current
54AC
VCC TA = −55˚C to +125˚C
(V) Guaranteed Limits
5.5 50
5.5 −50
5.5 80.0
Note 2: All outputs loaded; thresholds on input associated with output under test.
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.
Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
ICC for 54AC @ 25˚C is identical to 74AC @ 25˚C.
DC Characteristics for ’ACT Family Devices
Symbol
Parameter
VIH Minimum High
Level Input
Voltage
VIL Maximum Low
Level Input
Voltage
VOH Minimum High
Level Output
Voltage
54ACT
VCC TA = −55˚C to +125˚C
(V) Guaranteed Limits
4.5 2.0
5.5 2.0
4.5 0.8
5.5 0.8
4.5 4.4
5.5 5.4
4.5 3.70
5.5 4.70
VOL Maximum Low
Level Output
Voltage
4.5
5.5
0.1
0.1
IIN
IOZ
ICCT
IOLD
IOHD
ICC
Maximum Input
Leakage Current
Maximum
TRI-STATE Current
Maximum
ICC/Input
(Note 6) Minimum
Dynamic Output
Current
Maximum Quiescent
Supply Current
4.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
Note 5: All outputs loaded; thresholds on input associated with output under test.
Note 6: Maximum test duration 2.0 ms, one output loaded at a time.
Note 7: ICC for 54ACT @ 25˚C is identical to 74ACT @ 25˚C.
0.50
0.50
±1.0
±5.0
1.6
50
−50
80.0
Units
Conditions
mA VOLD = 1.65V Max
mA VOHD = 3.85V Min
µA VIN = VCC
or GND
Units
Conditions
V VOUT = 0.1V
or VCC − 0.1V
V VOUT = 0.1V
or VCC − 0.1V
V IOUT = −50 µA
(Note 5)
VIN = VIL or VIH
V IOH −24 mA
−24 mA
V IOUT = 50 µA
(Note 5)
VIN = VIL or VIH
V IOL 24 mA
24 mA
µA VI = VCC, GND
µA VI = VIL, VIH
VO = VCC, GND
mA VI = VCC − 2.1V
mA VOLD = 1.65V Max
mA VOHD = 3.85V Min
µA VIN = VCC
or GND
www.national.com
4

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54AC374 전자부품, 판매, 대치품
Physical Dimensions inches (millimeters) unless otherwise noted
20 Terminal Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
20 Lead Ceramic Dual-In-Line Package (D)
NS Package Number J20A
7
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