參數(shù)資料
型號(hào)： QT70-C-1-4.000MHZ
廠商： Q-TECH CORP
元件分類： XO, clock
英文描述： CRYSTAL OSCILLATOR, CLOCK, 4 MHz, CMOS OUTPUT
封裝： ROHS COMPLIANT, HERMETIC SEALED, LEADLESS, CERAMIC, SMD, 48 PIN
文件頁數(shù)： 4/6頁
文件大?。?/td> 494K
代理商： QT70-C-1-4.000MHZ
44
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
Q-TECH
CORPORATION
LEADLESS CHIP CARRIER
CRYSTAL CLOCK OSCILLATORS
1.8 to 15Vdc - 732.4Hz to 125MHz
LeadlessChipCarrier (RevisionD,August2008)(ECO#9414)
Vdd
GND
0.1xVdd
0.9xVdd
VOH
VOL
TrTf
TH
T
0.5xVdd
SYMMETRY =
x 100%
TH
T
Ao
P
1.5
Ko
1.75±0.1
5 Max
0.3±.005
4.0±0.1
2.0±0.1
24.0±0.3
5.5±0.1
Bo
13.0±0.5
2.5
2.0
80±1
26
120
178±1
or
330±1
OutputWaveform(Typical)
TapeandReel
TestCircuit
-
Output
Ground
Vdd Out
GND
0.1F
15pF
E/D
Tristate Function
Power
supply
10k
mA
Vdc
+
(*)
or
0.01F
(*) CL includes probe and jig capacitance
Typical test circuit for CMOS logic
POWER
SUPPLY
+
-
mA
0.1F
Vdc
-
Vdd OUT
OUT
GND
Typical test circuit for TTL logic.
0.01F
Rs
(*) CL inclides the loading effect of the oscilloscope probe.
E/D
CL
+
-
RL
LOAD
6 TTL
10 TTL
CL(*)
12pF
20pF
RL
430Ω
270Ω
RS
10kΩ
6kΩ
or
Vdd
TheTristatefunctiononpin1hasabuilt-inpull-upresistortypical50k,soit
canbeleftfloatingortiedtoVddwithoutdeterioratingtheelectricalperformance.
Frequencyvs.TemperatureCurve
0
FREQUENCY STABILITY VS. TEMPERATURE QT66T-64.000MHz
-50
-40
-30
-20
-10
10
20
30
40
50
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
05
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100 105 110 115
120 125
Temperature (°C)
Frequency
Stability
(PPM)
1_5
2_5
3_5
4_5
QT# P(mm) Ao(mm) Bo(mm) Ko(mm) Reelsize
(Diameterinmm) Qtyperreel
(pcs)
QT62
20
17
17.30 2.70
178mm
330mm
100
600
QT66
16
12.57 12.57 2.54
178mm
330mm
280
1200
QT71
16
12.00 12.00 3.00
178mm
330mm
280
1200
Dimensionsareinmm. TapeiscomplianttoEIA-481-A.
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