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參數資料
| 型號： | MC74F377 |
| 廠商： | Motorola, Inc. |
| 英文描述： | OCTAL D FLIP-FLOP WITH ENABLE |
| 中文描述： | 八路D觸發(fā)器，具備啟動次浮點運算 |
| 文件頁數： | 2/3頁 |
| 文件大小： | 87K |
| 代理商： | MC74F377 |
4-279
FAST AND LS TTL DATA
MC74F377
FUNCTIONAL DESCRIPTION
The MC74F377 has eight edge-triggered D-type flip-flops
with individual D inputs and Q outputs. The common buffered
Clock (CP) input loads all flip-flops simultaneously, when the
Enable (E) is LOW.
The register is fully edge-triggered. The state of each D in-
put, one setup time before the LOW-to-HIGH clock transition,
is transferred to the corresponding flip-flop’s Q output.
The E input must be stable one setup time prior to the LOW-
to-HIGH clock transition for predictable operation.
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
74
4.5
5.0
5.5
V
TA
Operating Ambient Temperature Range
74
0
25
70
°
C
IOH
Output Current — HIGH
74
–1.0
mA
IOL
Output Current — LOW
74
20
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
VIK
Input Clamp Diode Voltage
–1.2
V
IIN = –18 mA
VCC = MIN
VOH
Output HIGH Voltage
2.5
2.5
V
IOH = –1.0 mA
VCC = 4.5 V
2.7
2.7
VCC = 4.75 V
VOL
Output LOW Voltage
0.35
0.5
V
IOL = 20 mA
VCC = MIN
IIH
Input HIGH Current
20
μ
A
VIN = 2.7 V
VCC = MAX
IIL
Input LOW Current
–20
μ
A
VIN = 0.5 V
VCC = MAX
IOS
Output Short Circuit Current (Note 2)
–60
–150
mA
VOUT = 0 V
Dn = 4.5 V, CP =
↑
,
E = GND
VCC = MAX
ICC
Total Supply Current
ICCH
55
72
mA
VCC = MAX
ICCL
70
90
mA
Dn = E = GND, CP =
↑
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC ELECTRICAL CHARACTERISTICS
74F
74F
TA = +25
°
C
TA = 0 to +70
°
C
VCC = 5.0 V
±
10%
VCC = +5.0 V
CL = 50 pF
CL = 50 pF
Symbol
Parameter
Min
Typ
Max
Min
Max
Unit
fMAX
Maximum Clock Frequency
110
120
100
MHz
tPLH
Propagation Delay
4.0
6.5
8.5
4.0
10
ns
tPHL
CP to Qn
4.0
7.0
9.0
4.0
10.5
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相關代理商/技術參數 |
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|---|---|
| MC74F377 WAF | 制造商:ON Semiconductor 功能描述: |
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| MC74F377M | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74F377N | 制造商:ON Semiconductor 功能描述: |
| MC74F378 WAF | 制造商:ON Semiconductor 功能描述: |
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