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参数资料
| 型号： | IDT74FCT299ATQ8 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 计数移位寄存器 |
| 英文描述： | FCT SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20 |
| 封装： | QSOP-20 |
| 文件页数： | 4/7页 |
| 文件大小： | 119K |
| 代理商： | IDT74FCT299ATQ8 |
INDUSTRIALTEMPERATURERANGE
4
IDT74FCT299AT/CT
FASTCMOS8-INPUTUNIVERSALSHIFTREGISTER
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 Current
(4)
Vcc = Max.
VIN = VCC
—
0.15
0.25
mA/MHz
OutputsOpen
VIN = GND
OE1 = OE2 = GND
MR = VCC
S0 = S1 = VCC
DS0 = DS1 = GND
OneInputToggling
50% Duty Cycle
IC
Total Power Supply Current
(6)
Vcc = Max.
VIN = VCC
—
1.5
3.5
mA
OutputsOpen
VIN = GND
fCP = 10MHz
50% Duty Cycle
OE1 = OE2 = GND
MR = VCC
S0 = S1 = VCC
DS0 = DS7 = GND
VIN = 3.4V
—
2
5.5
One Bit Toggling
VIN = GND
at fi = 5MHz
50% Duty Cycle
Vcc = Max.
VIN = VCC
—
3.8
7.3
(5)
OutputsOpen
VIN = GND
fCP = 10MHz
50% Duty Cycle
OE1 = OE2 = GND
MR = VCC
S0 = S1 = VCC
DS0 = DS7 = GND
VIN = 3.4V
—
6
16.3
(5)
EightBitsToggling
VIN = GND
at fi = 2.5MHz
50% Duty Cycle
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相关代理商/技术参数 |
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|---|---|
| IDT74FCT299HAP | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT299HTP | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT299P | 制造商:INT_DEV_TECH 功能描述: |
| IDT74FCT299TQ | 制造商:Integrated Device Technology Inc 功能描述: |
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