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參數(shù)資料
| 型號： | IDT74FCT2543CTQ |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | FAST CMOS OCTAL LATCHED TRANSCEIVER |
| 中文描述： | FCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | QSOP-24 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 119K |
| 代理商： | IDT74FCT2543CTQ |
IDT54/74FCT543T/AT/CT/DT - 2543T/AT/CT
FAST CMOS OCTAL LATCHED TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
6.17
4
POWER SUPPLY CHARACTERISTICS
Symbol
I
CC
Parameter
Test Conditions
(1)
Min. Typ.
(2)
Max.
—
0.5
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
CEAB
and
OEAB
= GND
CEBA
= V
CC
One Input Toggling
50% Duty Cycle
V
CC
= Max., Outputs Open
f
CP
= 10MHz (
LEAB
)
50% Duty Cycle
CEAB
and
OEAB
= GND
CEBA
= V
CC
One Bit Toggling
at f
i
= 5MHz
50% Duty Cycle
V
CC
= Max., Outputs Open
f
CP
= 10MHz (
LEAB
)
50% Duty Cycle
CEAB
and
OEAB
= GND
CEBA
= V
CC
Eight Bits Toggling
at f
i
= 2.5MHz
50% Duty Cycle
2.0
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
V
IN
= GND
FCTxxxT
—
1.5
3.5
mA
FCT2xxxT
—
0.6
2.2
V
IN
= 3.4V
V
IN
= GND
FCTxxxT
—
2.0
5.5
FCT2xxxT
—
1.1
4.2
V
IN
= V
CC
V
IN
= GND
FCTxxxT
—
3.8
7.3
(5)
FCT2xxxT
—
1.5
4.0
(5)
V
IN
= 3.4V
V
IN
= GND
FCTxxxT
—
6.0
16.3
(5)
FCT2xxxT
—
3.8
13.0
(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.
2613 tbl 08
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