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參數資料
| 型號： | IDT74FCT2245TSO |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS |
| 中文描述： | FCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數： | 4/8頁 |
| 文件大?。?/td> | 157K |
| 代理商： | IDT74FCT2245TSO |
6.9
4
IDT54/74FCT245T/AT/CT/DT - 2245T/AT/CT, IDT54/74FCT640T/AT/CT, IDT54/74FCT645T/AT/CT/DT
FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
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.
2539 tbl 08
Symbol
I
CC
Parameter
Test Conditions
(1)
Min.
—
Typ.
(2)
0.5
Max.
2.0
Unit
mA
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply
Current
(4)
V
CC
= Max.
V
IN
= 3.4V
(3)
V
CC
= Max.
Outputs Open
OE
= T/
R
= GND
One Input Toggling
50% Duty Cycle
V
CC
= Max.
I
CCD
V
IN
= V
CC
V
IN
= GND
FCTxxxT
—
0.15
0.25
mA/
MHz
FCT2xxxT
—
0.06
0.12
I
C
Total Power Supply Current
(6)
V
IN
= V
CC
FCTxxxT
—
1.5
3.5
mA
Outputs Open
fi = 10MHz
50% Duty Cycle
V
IN
= GND FCT2xxxT
—
0.6
2.2
V
IN
= 3.4
FCTxxxT
—
1.8
4.5
OE
= T/
R
= GND
One Bit Toggling
V
CC
= Max.
V
IN
= GND FCT2xxxT
0.9
3.2
V
IN
= V
CC
FCTxxxT
—
3.0
6.0
(5)
3.4
(5)
Outputs Open
fi = 2.5MHz
50% Duty Cycle
OE
= T/
R
= GND
Eight Bits Toggling
V
IN
= GND FCT2xxxT
—
1.2
V
IN
= 3.4
V
IN
= GND FCT2xxxT
FCTxxxT
—
—
5.0
3.2
14.0
(5)
11.4
(
5)
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| IDT74FCT2245TSOB | FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS |
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|---|---|
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| IDT74FCT2257TQ | 制造商:Integrated Device Technology Inc 功能描述: |
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| IDT74FCT2373ATQG | 功能描述:IC TRANSP LATCH OCTAL 20-QSOP RoHS:是 類別:集成電路 (IC) >> 邏輯 - 鎖銷 系列:74FCT 標準包裝:48 系列:74VHCT 邏輯類型:D 型，可尋址 電路:1:8 輸出類型:標準 電源電壓:4.5 V ~ 5.5 V 獨立電路:1 延遲時間 - 傳輸:6ns 輸出電流高，低:8mA，8mA 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:管件 |
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