參數(shù)資料
型號: IDT74FCT377DTQG8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 4/6頁
文件大?。?/td> 0K
描述: IC FLIP FLOP OCTAL D 20-QSOP
標準包裝: 3,000
系列: 74FCT
功能: 設(shè)置(預(yù)設(shè))和復(fù)位
類型: D 型總線
輸出類型: 非反相
元件數(shù): 1
每個元件的位元數(shù): 8
延遲時間 - 傳輸: 2ns
觸發(fā)器類型: 正邊沿
輸出電流高,低: 8mA,48mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
包裝: 帶卷 (TR)
其它名稱: 74FCT377DTQG8
INDUSTRIALTEMPERATURERANGE
4
IDT74FCT377AT/CT/DT
FASTCMOSOCTALDFLIP-FLOPWITHCLOCKENABLE
NOTES:
1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. Per TTL driven input; (VIN = 3.4V). All other inputs at VCC 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
ΔICC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC +
ΔICC DHNT + ICCD (fCP/2+ fiNi)
ICC = Quiescent Current
ΔICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fi = Output Frequency
Ni = Number of Outputs at fi
All currents are in milliamps and all frequencies are in megahertz.
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
ΔICC
Quiescent Power Supply
VCC = Max.
0.5
2
mA
Current TTL Inputs HIGH
VIN = 3.4V
(3)
ICCD
Dynamic Power Supply
VCC = Max., Outputs Open
VIN = VCC
0.15
0.25
mA/
Current
(4)
CE = GND
VIN = GND
MHz
OneInputToggling
50% Duty Cycle
IC
Total Power Supply
VCC = Max., Outputs Open
VIN = VCC
1.5
3.5
mA
Current
(6)
fCP = 10MHz
VIN = GND
CE = GND
VIN = 3.4V
2
5.5
One Bit Toggling
VIN = GND
fi = 5MHz
50% Duty Cycle
VCC = Max., Outputs Open
VIN = VCC
3.8
7.3
(5)
fCP = 10MHz, 50% Duty Cycle
VIN = GND
CE = GND
VIN = 3.4V
6
16.3
(5)
EightBitsToggling
VIN = GND
fi = 2.5MHz
50% Duty Cycle
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
74FCT377AT
74FCT377CT
74FCT377DT
Symbol
Parameter
Condition(1)
Min.(2)
Max.
Min.(2)
Max.
Min.(2)
Max.
Unit
tPLH
PropagationDelay
CL = 50pF
2
7.2
2
5.2
2
4.4
ns
tPHL
CP to Qx
RL = 500
Ω
tSU
Set-up Time HIGH or LOW
2
2
2
ns
Dx to CP
tH
Hold Time HIGH or LOW
1.5
1.5
1
ns
Dx to CP
tSU
Set-up Time HIGH or LOW
3.5
3.5
3
ns
CE to CP
tH
Hold Time HIGH or LOW
1.5
1.5
0
ns
CE to CP
tW
CP Pulse Width HIGH or LOW
8
6
3
ns
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
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