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參數資料
| 型號： | IDT74FCT540CTSOG8 |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數： | 4/6頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INVERTER 8-INPUT 20SOIC |
| 標準包裝： | 1,000 |
| 系列： | 74FCT |
| 邏輯類型： | 逆變器，緩沖器 |
| 電路數： | 1 |
| 輸入數： | 8 |
| 特點： | 三態(tài) |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 電流 - 靜態(tài)（最大值）： | 10µA |
| 輸出電流高，低： | 15mA，64mA |
| 邏輯電平 - 低： | 0.8V |
| 邏輯電平 - 高： | 2V |
| 額定電壓和最大 CL 時的最大傳播延遲： | 4.3ns @ 5V，50pF |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 20-SOIC |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 74FCT540CTSOG8 |
INDUSTRIALTEMPERATURERANGE
4
IDT74FCT540AT/CT
FASTCMOSOCTALBUFFER/LINEDRIVER
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
FCT540AT
FCT540CT
Symbol
Parameter
Condition(1)
Min.(2)
Max.
Min.(2)
Max.
Unit
tPLH
PropagationDelay
CL = 50pF
1.5
4.8
1.5
4.3
ns
tPHL
Dx to
OxRL = 500
Ω
tPZH
OutputEnableTime
1.5
6.2
1.5
5.8
ns
tPZL
tPHZ
OutputDisableTime
1.5
5.6
1.5
5.2
ns
tPLZ
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
ΔICC
Quiescent Power Supply Current
VCC = Max.
—
0.5
2
mA
TTL Inputs HIGH
VIN = 3.4V(3)
ICCD
Dynamic Power Supply
VCC = Max.
VIN = VCC
—
0.15
0.25
mA/
Current(4)
Outputs Open
VIN = GND
MHz
OEA = OEB = GND
One Input Toggling
50% Duty Cycle
IC
Total Power Supply Current(6)
VCC = Max.
VIN = VCC
—
1.5
3.5
mA
Outputs Open
VIN = GND
fi = 10MHz
50% Duty Cycle
VIN = 3.4V
—
1.8
4.5
OEA = OEB = GND
VIN = GND
One Bit Toggling
VCC = Max.
VIN = VCC
—3
6(5)
mA
Outputs Open
VIN = GND
fi = 2.5MHz
50% Duty Cycle
VIN = 3.4V
—
5
14(5)
OEA = OEB = GND
VIN = GND
Four Bits Toggling
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 (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 fO
All currents are in milliamps and all frequencies are in megahertz.
POWER SUPPLY CHARACTERISTICS
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