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PDF ( 数据手册 , 数据表 ) CF5002LF

零件编号 CF5002LF
描述 Crystal Oscillator Module ICs
制造商 Nippon Precision Circuits Inc
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CF5002LF 数据手册, 描述, 功能
NIPPON PRECISION CIRCUITS INC.
SM5002L series
Crystal Oscillator Module ICs
OVERVIEW
The SM5002L series crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS. They
comprise low-voltage low-current consumption oscillator circuits and output buffers. They incorporate built-in
oscillation capacitance with superior frequency response to realize stable 3rd overtone oscillation without any
external components.
FEATURES
s Oscillation frequency up to 100 MHz
s Third harmonic
s Capacitors CG and CD built-in
s Standby function (oscillator stops)
s 3 µA (typ) low standby current
s Inverter amplifier feedback resistance built-in
s INH pin pull-up resistance built-in
• INH= L : 2Mtyp
• INH= H : 90ktyp
s CMOS input level
s 8 mA (VDD = 3.0 V) output drive capability
s CMOS output duty level
s Output three-state function
s 2.7 to 3.6 V supply voltage
s Oscillator frequency output
s 8-pin SOP (SM5002L×S)
s Chip form (CF5002L×)
SERIES CONFIGURATION
Version
CF5002LA
SM5002LAS
CF5002LB
SM5002LBS
CF5002LC
SM5002LCS
CF5002LD
SM5002LDS
CF5002LE
SM5002LES
CF5002LF
SM5002LFS
Recommended
operating
frequency range
(MHz)
30 to 40
40 to 50
50 to 70
70 to 90
85 to 100
25 to 30
gm
(relative
value)
1.0
1.5
1.5
2.0
2.0
1.0
Built-in capacitance
CG (pF) CD (pF)
8 15
8 15
8 10
8 10
8 10
10 15
ORDERING INFORMATION
Rf1
(k)
5.6
4.7
3.9
3.9
2.7
8.5
Cf
(pF)
Output
duty level
Output
current
(mA)
Standby
function
22 CMOS
8
Yes
22 CMOS
8
Yes
22 CMOS
8
Yes
22 CMOS
8
Yes
22 CMOS
8
Yes
22 CMOS
8
Yes
Device
SM5002L×S
CF5002L×
Package
8-pin SOP
Chip form
NIPPON PRECISION CIRCUITS—1







CF5002LF pdf, 数据表
Load cct 1
SM5002L series
Q output
CL
(Including probe capacity)
CL = 15pF: tr1, tf1 /DUTY, IDD (70MHz < f 100MHz)
CL = 30pF: tr2 , tf2 /DUTY, IDD (f 70MHz)
Switching Time Measurement Waveform
Output duty level (CMOS)
Q output
0.9VDD
0.1VDD
tr
Output duty cycle (CMOS)
TW
0.9VDD
0.1VDD
tf
DUTY measuring
voltage (0.5VDD)
Q output
TW
T
DUTY measuring
voltage (0.5VDD)
DUTY= TW/ T 100 (%)
Output Enable/Disable Delay
The following figure shows the oscillator timing during normal operation. Note that when the device is in
standby, the oscillator stops. When standby is released, the oscillator starts and stable oscillator output occurs
after a short delay.
INH
Q output
VIL
tPLZ
VIH
tPZL
INH inputwaveform tr = tf 10ns
NIPPON PRECISION CIRCUITS—8














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