参数资料
型号: 357LC5C074M2500
厂商: CTS-Frequency Controls
文件页数: 3/4页
文件大小: 0K
描述: OSC VCXO 74.2500 MHZ 5X7MM SMD
标准包装: 1
系列: 357
类型: VCXO
频率: 74.25MHz
功能: 三态(输出启用)
输出: HCMOS,TTL
电源电压: 3.3V
频率稳定性: ±25ppm
工作温度: -20°C ~ 70°C
电流 - 电源(最大): 45mA
安装类型: 表面贴装
尺寸/尺寸: 0.276" L x 0.197" W(7.00mm x 5.00mm)
高度: 0.079"(2.00mm)
封装/外壳: 6-SMD,无引线(DFN,LCC)
包装: 标准包装
其它名称: CTX330DKR
Model 357
7x5mm Low Cost
HCMOS/TTL Compatible VCXO
CMOS/TTL OUTPUT WAVEFORM
TEST CIRCUIT, CMOS LOAD
Tr
Tf
V OH
N.C. or Enable Input
90%, 80%, 2.4V
+
mA
-
UPTIME (t)
V OL
50%, 1.5V
10%, 20%, 0.5V
+
POWER
SUPPLY
-
+
VM
-
0.01uF
6
1
5
D.U.T.
2
4
3
C L
capacitance.
PERIOD (T)
DUTY CYCLE = t/T x 100 (%)
D.U.T. PIN ASSIGNMENTS
-
POWER
SUPPLY
+
Enable Input or N.C.
PIN
1
SYMBOL
V C
DESCRIPTION
Control Voltage
ENABLE TRUTH TABLE
2
3
4
5
6
EOH or N.C.
GND
Output
N.C. or EOH
V CC
Enable or No Connect
Circuit & Package Ground
RF Output
No Connect or Enable
Supply Voltage
PIN 2 or PIN 5
Logic ‘1’
Open
Logic ‘0’
PIN 4
Output
Output
High Imp.
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
(7.0 ±0.2)
0.276 ±0.008
PIN 1 IDENTIFIER
(1.4)
0.055
1.
2.
** - Manufacturing Site Code.
YYWW – Date code, YY – year, WW – week.
CTS ** YYWW
357LB3C
● XXXMXXXX
(5.0 ±0.2)
0.197 ±0.008
(3.73)
0.147
4
3
5
2
6
1
(1.27)
0.050
3. Truncated CTS part number.
4. XXXMXXXX - Frequency marked with 4
significant digits after the ‘M’.
NOTES
1. Termination pads (e4), barrier-plating is nickel
(2.54)
0.100
(Ni) with gold (Au) flash plate.
2. Reflow conditions per JEDEC J-STD-020.
(2.0)
0.079
MAX
(5.08)
0.200
SUGGESTED SOLDER PAD GEOMETRY
Key:
(mm)
Inch
SUGGESTED REFLOW PROFILE
.071 [1.80]
300
Maximum 260°C, 10 seconds
C BYPASS
Typical 245°C
6
5
4
.165 [4.20]
Temp.
200
130°C
(°C)
100
.079 [2.00]
1
2
3
.100 [2.54]
0
0
30
60
90
120
150
180
210
240
270
300
.200 [5.08]
Key:
[mm]
Inch
Time (Seconds)
C BYPASS should be ≥ 0.01 uF.
Document No. 008-0244-0
Page 3 - 4
Rev. H
? ? ? CTS Electronic Components, Inc. ?
171 Covington Drive
?
Bloomingdale, IL 60108
???
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