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參數(shù)資料
| 型號(hào)： | CY25245 |
| 英文描述： | Clocks and Buffers |
| 中文描述： | 時(shí)鐘和緩沖器 |
| 文件頁(yè)數(shù)： | 9/11頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | CY25245 |
CY25245
Document #: 38-07124 Rev. *A
Page 9 of 11
AC Electrical Characteristics:
T
A
= 0
°
C to +70
°
C, V
DD
= 3.3V ±0.3V or 5V±10%
Parameter
Description
f
IN
Input Frequency
Input Clock
f
OUT
Output Frequency
Spread Off
t
R
Output Rise Time
15-pF load, 0.8V
–
2.4V
t
F
Output Fall Time
15-pF load, 2.4V
–
0.8V
t
OD
Output Duty Cycle
15-pF load
t
ID
Input Duty Cycle
t
JCYC
Jitter, Cycle-to-cycle
Layout Example
Test Condition
Min.
14
13
Typ.
Max.
166
166
5
5
60
60
300
Unit
MHz
MHz
ns
ns
%
%
ps
2
2
40
40
250
Ordering Information
Ordering Code
CY25245PVC
CY25245PVCT
Package Type
Product Flow
20-pin Plastic SSOP (209-mil)
20-pin Plastic SSOP (209-mil)- Tape and Reel
Commercial, 0
°
C to 70
°
C
G
FB
μ
F
0.005
μ
F
G
G
VDDQ3
C3
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10
11
G = VIA to GND plane layer
V =VIA to respective supply plane layer
Note:
Each supply plane or strip should have a
ferrite bead and capacitors
FB = Vishay ILB1206
22
μ
F
μ
F
–
–
C2 = 0.005
All bypass caps = 0.1
μ
F ceramic.
G
V
G
V
G
V
G
G
G
G
G
G
G
G
C
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