New
SG 645G Ver.2001.11.06
Crystal Oscillator
SG 645**G Series
Products number
Q33645Gxxxxxx00
Reflowable and high density mounting type SMD package
Operable 3.3 V or 5.0 V
Out put frequencies from 2.500 MHz to 33.000 MHz
Output enable(OE : P type) or Standby(ST : S type) function allow more low current consumption.
Specifications
1. Absolute Maximum Ratings
Item
Symbol
PT/PH PC/SC Remarks
Storage Temperature
T
STG
-55
C ~ +125
C
Stored as bare product
Maximum supply voltage
V
DD
-0.5 V ~ 7.0 V
Maximum input voltage
V
IN
-0.5 V ~ V
DD
+0.5 V
2. Operating Conditions
Item
Symbol
PT/PH PC/SC Remarks
Operating Temperature
T
OPR
-40
C ~ +85
C
Operating voltage
V
DD
4.5 V ~ 5.5 V
2.7 V ~ 3.6 V
Input voltage
V
IN
GND ~ V
DD
Output load condition
CL
25 pF
3. Frequency Characteristics
Item
Symbol
PT/PH PC/SC Remarks
Output frequency range*
f
0
2.500 MHz ~ 33.000 MHz
V
DD
=2.7 V ~ 3.6 V
B:
50
10
-6
,C:
100
10
-6
-20
C ~+70
C
Frequency stability
f / f
0
M:
100
10
-6
-40
C ~+85
C
Aging fa
5
10
-6
Max.
+25
C,V
DD
=3.3V
First year
*Note :
Standard Frequencies (MHz)
2.5 3.6864 5.0 7.3728 10.0 14.7456 20.0 29.4912
2.8125 3.6873625 5.625 7.374725 11.25 14.74945 22.5 29.4989
3.072 3.75 6.144 7.5 12.288 15.0 24.576 30.0
3.125 3.84 6.25 7.68 12.5 15.36 25.0 30.72
3.375 4.0 6.75 8.0 13.5 16.0 27.0 32.0
3.579545 4.096 7.15909 8.192 14.31818 16.384 28.63636 32.768
New
SG 645G Ver.2001.11.06
4. Characteristics
Item
Symbol
PT PH PC/SC
Remarks
Current consumption
I
OP
25 mA Max.
12 mA Max.
No Load
Disable current
I
OE
20 mA Max.
10 mA Max.
OE =GND
Standby current
I
ST
-
50 A Max.
ST =GND
V
IH
2.0 V Min.
70 %V
DD
Min.
OE or ST input voltage
V
IL
0.8 V Max.
20 %V
DD
Max.
I
IH
5 A Max.
OE or ST = V
DD
OE or ST input current
I
IL
10 A Max.
OE or ST =GND
-
45 %~ 55 %
50%V
DD
, CL= 25 pF
Duty
Tw / T
40 %~ 60 %
-
1.4V Level, CL=25pF
2.4 V Min.
-
V
DD
-0.4 V Min.
I
OH
=- 8 mA
V
OH
- V
DD
-0.4 V
Min.
- I
OL
= - 16mA
Output voltage
-
0.4 V Max.
I
OL
= 8 mA
V
OL
0.4 V Max
-
I
OL
= 16mA
-
3.4 ns Max.
4.0 ns Max.
20 % ~ 80 %V
DD,
CL
25 pF
Output rise time
tr
1.2 ns Max.
2.4 ns Max.
-
-
0.8 V ~ 2.0 V, CL
25 pF
0.4 V ~ 2.4V, CL
25 pF
-
3.4 ns Max.
4.0 ns Max.
80 % ~ 20 %V
DD
, CL
25 pF
Output fall time
tf
1.2 ns Max.
2.4 ns Max.
-
-
2.0 V ~ 0.8 V, CL
25 pF
0.4 V ~ 2.4V, CL
25 pF
Oscillation start up time
t
OSC
12 ms Max.
Time at minimum operating
voltage to be o s
5. External Dimensions & Recommended soldering pattern (
Unit : mm
)
1.8
5.08
4.
2
2.
0
No. Pin terminal
1 OE or ST
2 GND
3 OUT
4 VDD
7.1
0.2
4.6
0.2
2
3
1
4
E 25.000C
PCG1201A
5.08
0.4
1.5Max.
0min.
5.1
0.2
(0.75)
3.8
(0.75)
0.15
New
SG 645G Ver.2001.11.06
NOTICE
No part of this material may be reproduced or duplicated in any form or any means without the written permission of Seiko Epson.
Seiko Epson reserves the right to make changes to this material without notice.
Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its application
or use in any product or circuit and, further, there is no representation that this material is applicable to products requiring high level
reliability, such as, medical products.
Moreover, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty
that anything made in accordance with this material will be free from any patent or copyright infringement of a third party.
This material of portions thereof may contain technology or the subject relating to strategic products under the control of the Foreign
Exchange and Foreign Trade Law of Japan and may require an export license from the Ministry of international Trade and industry
or other approval from another government agency.
SEIKO EPSON CORPORATION 2001
ELECTRONIC DEVICE MARKETING DEPARTMENT
EPSON ELECTRONICS AMERICA, INC.
150 River Oaks Parkway, San Jose, CA 95134, U.S.A.
Phone: (1)800-228-3964 (Toll free) : (1)408-922-0200 Fax: (1)408-922-0238
EPSON EUROPE ELECTRONICS GmbH
Riesstrasse 15, 80992 Munich Germany
Phone: (49)-(0)89-14005-0 Fax: (49)-(0)89-14005-110
EPSON (CHINA) CO., LTD.
23F, Beijing Silver Tower 2# North RD DongSangHuan ChaoYang District, Beijing, China
Phone: (86) 10-6410-6655 Fax: (86) 10-6410-7319
EPSON HONG KONG LTD.
20/F., Harbour Centre, 25 Harbour Road, Wanchai, Hong kong
Phone: (852) 2585-4600 Fax: (852) 2827-2152
EPSON TAIWAN TECHNOLOGY & TRADING LTD.
10F, No.287, Nanking East Road, Sec.3, Taipei
Phone: (886) 2-2717-7360 Fax: (886)2-2718-9366
EPSON SINGAPORE PTE. LTD.
No.1, Temasek Avenue #36-00, Millenia Tower, Singapore 039192
Phone: (65) 337-7911 Fax: (65) 334-2716
SEIKO EPSON CORPORATION KOREA Office
50F, KLI 63 Building,60 Yoido-dong, Youngdeungpo-Ku, Seoul, 150-763, Korea
Phone: (82) 2-784-6027 Fax: (82) 2-767-3677
Electronic devices information on WWW server
http://www.epsondevice.com
Issued on Nov.,2001
PDF 
ZIP