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参数资料
| 型号： | SP8795/NA/DP |
| 厂商： | ZARLINK SEMICONDUCTOR INC |
| 元件分类： | 谐振器 |
| 英文描述： | 8795 SERIES, PRESCALER, DIP8 |
| 封装： | DIP-8 |
| 文件页数： | 4/6页 |
| 文件大小： | 263K |
| 代理商： | SP8795/NA/DP |
SP8795
NOTES
The set-up time ts is defined as the minimum time that can elapse between a L H transition of the control input and the next L H clock
pulse transition to ensure that the
÷ 32 mode is selected.
The release time tr is defined as the minimum time that can elapse between a H L transition of the control input and the next L H clock
pulse transition to ensure that the
÷ 33 mode is selected.
ELECTRICAL CHARACTERISTICS
Test conditions (unless otherwise stated):]
Supply voltage : Vcc 1 & 2 = 5.2
± 0.25V or 6.8V to 9.5V (see Operating Note 7):
VEE = 0V; Temperature Tamb = -40
°C to +85°C
Conditions
Input = 200-800mV p-p
Input = 400-800mV p-p
Pins 2, 7 and 8 linked
Vcc = 4.95V IOH = 100
A
Pin 2 linked to 8 and 7
IOL = 1.6mA
25
°C
25
°C
25
°C
Characteristics
Maximum frequency
(sinewave input))
Minimum frequency
(sinewave input)
Power supply current
Control input high voltage
Control input low voltage
Output high voltage
Output low voltage
Set up time
Release time
Clock to output propagation time
Notes
Note 4
Note 3
Units
MHz
mA
V
ns
Min.
225
4
2.4
14
20
Max.
20
7
2
0.5
45
Value
Symbol
fmax
fmin
IEE
VINH
VINL
VOH
VOL
ts
tr
tp
Figure 3 : Timing diagramSP8785
Figure 4 : Input sensitivity SP8785
*Tested as specified
in table of
Electrical Characteristics
Control
input
0
1
Division Ratio
33
32
NOTES
1.
Unless otherwise stated the electrical characteristics are guaranteed over full specified supply, frequency and temperature range.
2.
The test configuration for dynamic testing is shown in Fig.6.
3.
Guaranteed but not tested.
4.
Tested onlt at 25
°C
TRUTH TABLE FOR CONTROL INPUTS
1600
1400
1200
1000
800
600
400
200
0
50
100
200
300
INPUT FREQUENCY (MHz)
INPUT
AMPLITUDE
(mV
p-p)
Vcc 4.95V to 5.45V PINS 7 AND 8 CONNECTED
TOGETHER. Tamb -40°C to +85°C
GUARANTEED *
OPERATING
WINDOW
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