參數(shù)資料
型號： 74FCT162501ATPACT
廠商： Texas Instruments, Inc.
英文描述： 18-Bit Registered Transceivers
中文描述： 18位注冊收發(fā)器
文件頁數(shù)： 4/8頁
文件大?。?/td> 66K
代理商： 74FCT162501ATPACT
CY74FCT16501T
CY74FCT162501T
CY74FCT162H501T
4
Capacitance
[9]
(T
A
= +25C, f = 1.0 MHz)
Parameter
C
IN
C
OUT
Description
Test Conditions
Typ.
[8]
4.5
5.5
Max.
6.0
8.0
Unit
pF
pF
Input Capacitance
Output Capacitance
V
IN
= 0V
V
OUT
= 0V
Power Supply Characteristics
Sym.
I
CC
Parameter
Test Conditions
[13]
Min.
—
Typ.
[8]
5
Max.
500
Unit
μ
A
Quiescent Power Supply
Current
Quiescent Power Supply
Current TTL inputs HIGH
Dynamic Power Supply
Current
[15]
V
CC
=Max.
V
IN
<0.2V
V
IN
>V
CC
0.2V
I
CC
V
CC
= Max., V
IN =
3.4V
[14]
—
0.5
1.5
mA
I
CCD
V
CC
=Max., Outputs Open
OEAB=OEBA=V
CC
or GND
One Input Toggling,
50% Duty Cycle
V
CC
=Max., Outputs Open
f
0
=10MHz (CLKAB)
50% Duty Cycle
OEAB=OEBA=V
CC
LEAB = GND, One Bit Toggling
f
1
= 5MHz, 50% Duty Cycle
V
CC
=Max., Outputs Open
f
0
= 10MHz (CLKAB)
50% Duty Cycle
OEAB=OEBA=V
CC
LEAB=GND
Eighteen Bits Toggling
f
1
=2.5MHz, 50% Duty Cycle
V
IN
=V
CC
or
V
IN
=GND
—
75
120
μ
A/
MHz
I
C
Total Power Supply
Current
[16]
V
IN
=V
CC
or
V
IN
=GND
V
IN
=3.4V or
V
IN
=GND
—
0.8
1.7
mA
—
1.3
3.2
V
IN
=V
CC
or
V
IN
=GND
V
IN
=3.4V or
V
IN
=GND
—
3.8
6.5
[17]
—
8.5
20.8
[17]
Notes:
13. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
14. Per TTL driven input (V
=3.4V); all other inputs at V
or GND.
15. This parameter is not directly testable, but is derived for use in Total Power Supply.
16. I
C
=
I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
=
I
D
N
)
I
CC
=
Quiescent Current with CMOS input levels
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
I
CCD
=
Dynamic Current caused by an input transition pair (HLH or LHL)
f
0
=
Clock frequency for registered devices, otherwise zero
f
1
=
Input signal frequency
N
=
Number of inputs changing at f
All currents are in milliamps and all frequencies are in megahertz.
17. Values for these conditions are examples of the I
CC
formula. These limits are specified but not tested.
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