參數(shù)資料
型號: IDT74FCT377DTD
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 通用總線功能
英文描述: FAST CMOS OCTAL D FLIP-FLOP WITH CLOCK ENABLE
中文描述: FCT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDIP20
封裝: CERDIP-20
文件頁數(shù): 4/7頁
文件大小: 111K
代理商: IDT74FCT377DTD
6.14
4
IDT54/74FCT377T/AT/CT/DT
FAST CMOS OCTAL D FLIP-FLOP WITH CLOCK ENABLE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
I
CC
Quiescent Power Supply
Current TTL Inputs HIGH
I
CCD
Dynamic Power Supply
Current
(4)
Test Conditions
(1)
Min.
Typ.
(2)
0.5
Max.
2.0
Unit
mA
V
CC
= Max.
V
IN
= 3.4V
(3)
V
CC
= Max., Outputs Open
CE
= GND
One Input Toggling
50% Duty Cycle
V
CC
= Max., Outputs Open
f
CP
= 10MHz
CE
= GND
One Bit Toggling
f
i
= 5MHz
50% Duty Cycle
V
CC
= Max., Outputs Open
f
CP
= 10MHz, 50% Duty Cycle
CE
= GND
Eight Bits Toggling
f
i
= 2.5MHz
50% Duty Cycle
V
IN
= V
CC
V
IN
= GND
0.15
0.25
mA/
MHz
I
C
Total Power Supply
Current
(6)
V
IN
= V
CC
V
IN
= GND
V
IN
= 3.4V
V
IN
= GND
1.5
3.5
mA
2.0
5.5
V
IN
= V
CC
V
IN
= GND
V
IN
= 3.4V
V
IN
= GND
3.8
7.3
(5)
6.0
16.3
(5)
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
CC
= 5.0V, +25
°
C ambient.
3. Per TTL driven input (V
IN
= 3.4V). All other inputs at V
CC
or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the I
CC
formula. These limits are guaranteed but not tested.
6. I
C
= I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+
I
CC
D
H
N
T
+ I
CCD
(f
CP/
2 + f
i
N
i
)
I
CC
= Quiescent Current
I
CC
= Power Supply Current for a TTL High Input (V
IN
= 3.4V)
D
H
= Duty Cycle for TTL Inputs High
N
T
= Number of TTL Inputs at D
H
I
CCD
= Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
f
CP
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
f
i
= Input Frequency
N
i
= Number of Inputs at f
i
All currents are in milliamps and all frequencies are in megahertz.
2639 tbl 05
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IDT54FCT377DTDB FAST CMOS OCTAL D FLIP-FLOP WITH CLOCK ENABLE
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