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MC74AC378 の電気的特性と機能

MC74AC378のメーカーはMotorola Semiconductorsです、この部品の機能は「PARALLEL D REGISTER WITH ENABLE」です。


製品の詳細 ( Datasheet PDF )

部品番号 MC74AC378
部品説明 PARALLEL D REGISTER WITH ENABLE
メーカ Motorola Semiconductors
ロゴ Motorola Semiconductors ロゴ 




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MC74AC378 Datasheet, MC74AC378 PDF,ピン配置, 機能
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MC74AC378
MC74ACT378
Parallel D Register with Enable
The MC74AC378/74ACT378 is a 6-bit register with a buffered common Enable.
This device is similar to the MC74AC174/74ACT174, but with common Enable
rather than common Master Reset.
6-Bit High-Speed Parallel Register
Positive Edge-Triggered D-Type Inputs
Fully Buffered Common Clock and Enable Inputs
Outputs Source/Sink 24 mA
• ′ACT378 Has TTL Compatible Inputs
VCC Q5 D5 D4 Q4 D3 Q3 CP
16 15 14 13 12 11 10 9
12345678
E Q0 D0 D1 Q1 D2 Q2 GND
PIN NAMES
E
D0–D5
CP
Q0–Q5
Enable Input
Data Inputs
Clock Pulse Input
Outputs
TRUTH TABLE
Inputs
Outputs
E CP Dn
Qn
H X No Change
L HH
L LL
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Transition
PARALLEL
D REGISTER
WITH ENABLE
N SUFFIX
CASE 648-08
PLASTIC
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC SYMBOL
E D0 D1 D2 D3 D4 D5
CP
Q0 Q1 Q2 Q3 Q4 Q5
DataSheet4 U .com
FACT DATA
5-1

1 Page





MC74AC378 pdf, ピン配列
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MC74AC378 MC74ACT378
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Typ
VCC
Supply Voltage
AC
ACT
2.0 5.0
4.5 5.0
Vin, Vout
tr, tf
DC Input Voltage, Output Voltage (Ref. to GND)
Input Rise and Fall Time (Note 1)
AC Devices except Schmitt Inputs
Input Rise and Fall Time (Note 2)
tr, tf ACT Devices except Schmitt Inputs
TJ Junction Temperature (PDIP)
TA Operating Ambient Temperature Range
IOH Output Current — High
IOL Output Current — Low
VCC @ 3.0 V
VCC @ 4.5 V
VCC @ 5.5 V
VCC @ 4.5 V
VCC @ 5.5 V
0
–40
150
40
25
10
8.0
25
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
DC CHARACTERISTICS
74AC
74AC
Symbol
Parameter
VCC
(V)
TA = +25°C
TA =
–40°C to +85°C
Unit
Typ Guaranteed Limits
VIH Minimum High Level
Input Voltage
3.0 1.5 2.1
4.5 2.25 3.15
5.5 2.75 3.85
2.1
3.15
3.85
V
VIL Maximum Low Level
Input Voltage
3.0 1.5 0.9
4.5 2.25 1.35
5.5 2.75 1.65
0.9
1.35
1.65
V
VOH
Minimum High Level
Output Voltage
3.0 2.99 2.9
4.5 4.49 4.4
5.5 5.49 5.4
2.9
4.4
5.4
V
VOL
Maximum Low Level
Output Voltage
3.0 2.56
4.5 3.86
5.5 4.86
3.0 0.002 0.1
4.5 0.001 0.1
5.5 0.001 0.1
2.46
3.76
4.76
0.1
0.1
0.1
V
V
IIN Maximum Input
Leakage Current
3.0 0.36 0.44
4.5 0.36 0.44
5.5 0.36 0.44
5.5 ±0.1 ±1.0
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 75
5.5 –75
5.5 8.0 80
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
V
µA
mA
mA
µA
Max
6.0
5.5
VCC
Unit
V
V
ns/V
ns/V
140 °C
85 °C
–24 mA
24 mA
Conditions
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = –50 µA
*VIN = VIL or VIH
–12 mA
IOH –24 mA
–24 mA
IOUT = 50 µA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
DataSheet4 U .com
FACT DATA
5-3


3Pages


MC74AC378 電子部品, 半導体
www.DataSheet4U.com
MC74AC378 MC74ACT378
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
ts
Setup Time, HIGH or LOW
E to CP
th
Hold Time, HIGH or LOW
E to CP
tw
CP Pulse Width
HIGH or LOW
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
VCC*
(V)
74ACT
74ACT
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Typ Guaranteed Minimum
5.0 –0.5
1.0
1.0
Unit
ns
5.0 1.0
1.5
1.5 ns
5.0 –0.5
1.0
1.0 ns
5.0 2.5
3.5
4.0 ns
5.0 3.0 3.5 ns
Fig.
No.
3-9
3-9
3-9
3-9
3-6
CAPACITANCE
Symbol
Parameter
CIN
CPD
Input Capacitance
Power Dissipation Capacitance
Value
Typ
4.5
28
Unit
pF
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
DataSheet4 U .com
FACT DATA
5-6

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