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| 型號(hào)： | PI49FCT2807ATS |
| 英文描述： | 14-Bit, 800ksps Sampling A/D Converter with Shutdown; Package: SSOP; No of Pins: 28; Temperature Range: 0°C to +70°C |
| 中文描述： | 十分布式輸出時(shí)鐘驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 242K |
| 代理商： | PI49FCT2807ATS |
PI49FCT807/2807T
Fast CMOS Clock Driver
3
PS7008B 02/17/99
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Power Supply Characteristics
Parameters Description
Test Conditions
(1)
Min.
Typ.
(2)
Max.
Units
I
CC
Quiescent Power
Supply Current
V
CC
= Max.
V
IN
= GND
or Vcc
3
30
μA
I
CC
Supply Current per
Input @ TTL HIGH
V
CC
= Max.,
V
IN
=
3.4V
(3)
0.5
1.5
mA
I
CCD
Supply Current per
Input per MHz
(4)
V
CC
= Max., Outputs Open
50% Duty Cycle,
One Input Toggling
V
IN
= V
CC
V
IN
= GND
0.4
0.6
mA/
MHz
I
C
Total Power Supply
Current
(6)
V
CC
= Max., Outputs Open
f
CP
= 50 MH
Z
,
50% Duty Cycle
V
IN
= V
CC
V
IN
= GND
V
IN
= 3.4V
V
= GND
20
30
(5)
mA
20.7
33
(5)
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5.0V, +25°C ambient.
3. Per TTL driven input (V
IN
= 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 the Icc 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.
Switching Characteristics over Operating Range
807/2807T
807AT
807BT
807CT
Com.
Com.
Com.
Com.
Parameters
Description
Conditions
(1)
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Units
t
PLH
t
PHL
t
SK(o)
Propagation Delay
A
TO
B
N
Skew between two outputs
of same package
(3)
Skew between opposite
transitions of same
output (|t
PHL
— t
PLH
|)
(3)
Skew between outputs of
different package at same
power supply, temperature
and speed grade
(3)
C
L
= 50pF
R
L
= 500
1.5
4.5
1.5
4.0
1.5
3.8
1.5
3.5
ns
—
0.5
—
0.5
—
0.35
—
0.25
ns
t
SK(p)
—
0.5
—
0.5
—
0.35
—
0.35
ns
t
SK(t)
—
1.0
—
1.0
—
0.75
—
0.75
ns
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not tested.
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