参数资料
型号: CCHD-957-25-49.152
厂商: Crystek Corporation
文件页数: 2/2页
文件大小: 0K
描述: OSC HCMOS 49.152 MHZ 3.3V SMD
标准包装: 1
系列: CCHD-957
类型: XO(标准)
频率: 49.152MHz
输出: HCMOS
电源电压: 3.3V
频率稳定性: ±25ppm
工作温度: 0°C ~ 70°C
电流 - 电源(最大): 25mA
安装类型: 表面贴装
尺寸/尺寸: 0.559" L x 0.360" W(14.20mm x 9.14mm)
高度: 0.209"(5.30mm)
封装/外壳: 4-SMD,无引线(DFN,LCC)
包装: 散装
其它名称: 744-1459
CCHD-957 Model
9×14 mm SMD, 3.3V, HCMOS
Frequency Range:
Temperature Range:
(Option M)
(Option X)
Storage:
Input Voltage:
Input Current:
Input Current (Disabled Mode):
Output:
Symmetry:
Rise/Fall Time:
Logic:
Load:
Output Current:
Disable Time:
Start-up Time:
Pin 1 Disable Current:
10 MHz to 50 MHz
0°C to +70°C
-20°C to +70°C
-40°C to +85°C
-45°C to 90°C
3.3V ±0.3V
15mA Typical, 25mA Max
1.5mA Max
HCMOS
45/55% Max @ 50%Vcc
3nsec Max @ 20% to 80% Vcc
“0” = 10% Vcc Max
“1” = 90% Vcc Min
15pF
±24mA Max
200ns Max
1ms Typical, 2ms Max
-350μA Max
Mechanical:
Shock:
Solderability:
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
Environmental:
Thermal Shock:
Moisture Resistance:
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
MIL-STD-883, Method 2007, Condition A
MIL-STD-202, Method 215
MIL-STD-202, Method 210, Condition I or J
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
Developed
Frequencies
22.5792 MHz
24.576 MHz
45.1584 MHz
49.152 MHz
Phase Noise:
Phase Noise Floor:
Sub-harmonics:
Aging:
CCHD-957 Options:
Temperature Range:
-100 dBc/Hz Typical, -95 dBc/Hz Max at 10Hz offset
-169 dBc/Hz Typical, -165 dBc/Hz Max
None
<3ppm 1 st year, <1ppm thereafter
0°C to +70°C (±20ppm, ±25ppm, ±50ppm)
-20°C to +70°C (±25ppm, ±50ppm)
-40°C to +85°C (±25ppm, ±50ppm)
Part Number Example:
CCHD-957X-25-49.152 = 3.3V, 45/55, -40°C to +85°C (±25ppm), 49.152 MHz
3°C/Sec Max.
260°C
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
Critical
Temperature Zone
Ramp-Down
6°C/Sec.
217°C
Top View
0.560
(14.2)
Side View
0.560
(14.2)
200°C
150°C
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
260°C for
10 Secs. Max.
0.360
(9.14)
CRYSTEK
CCHD-957
Frequency
Date Code
Bottom View
0.210
(5.3)
SUGGESTED PAD LAYOUT
0.050
(1.27)
0.090
(2.28)
NOTE: Reflow Profile with 240°C peak also acceptable.
0.040
(1.01)
0.280
(7.11)
Tri-State/Standby Function
Function pin 1 Output pin
Open Active
"1" level 0.7 × Vcc Min Active
"0" level 0.3 × Vcc Max High Z
Pad
1
2
3
4
Connection
E/D
GND
OUT
Vcc
1
4
0.200
(5.08)
2
3
0.070
(1.77)
0.200
(5.08)
Rev: F
Date: 27-Nov-12
Page 2 of 2
CRYSTEK
CORPORATION
12730 Commonwealth Drive ? Fort Myers, Florida 33913
Phone: 239-561-3311 ? 800-237-3061
Fax: 239-561-1025 ? www.crystek.com
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