GTXO-420H/FCI19.440MHZ [GOLLEDGE]
HCMOS/TTL Output Clock Oscillator, 19.44MHz Nom;
| 型号： | GTXO-420H/FCI19.440MHZ |
| 厂家： | 
GOLLEDGE ELECTRONICS LTD |
| 描述： | HCMOS/TTL Output Clock Oscillator, 19.44MHz Nom |
| 文件： | 总1页 (文件大小：53K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Custom TCXO
GTXO-420
Specifications
GTXO-420H: Standard drive HCMOS / TTL output
GTXO-420T: High drive HCMOS / TTL output
PHOTO NOT AVAILABLE
Variant
Option
Codes
Parameters
H
T
Frequency range: 1.0 ~ 120MHz
1.0 ~ 50MHz
21.00
(max)
21.00
(max)
Output waveform: HCMOS / TTL
Driving ability:
15pF HCMOS / 2 TTL (<50.0MHz)
50pF HCMOS / 10 TTL (<50.0MHz)
50pF HCMOS / 10 TTL (>50.0MHz)
12.00
(max)
5.00
(min)
0.80Ø
15.24
Logic levels:
‘0’ = +0.5V max, ‘1’ = +4.5V min
‘0’ = +0.4V max, ‘1’ = +2.4V min
POTENTIOMETER TRIMMING (OPTION P)
5
3
2
1
4
5
Rise / fall time:
10ns max
4
3
10k
7.62
7.62
Waveform symmetry:
40:60 max @ 2.5V
40:60 max @ 1.4V
VARIABLE RESISTOR TRIMMING (OPTION R)
4
10k
Frequency stability:
3.0ppm
2.5ppm
2.0ppm
1.5ppm
1.0ppm
0.5ppm
˿
˿
˿
˿
˿
˿
˿
˿
˿
˿
˿
˿
K
J
H
G
F
BOTTOM VIEW
3
PIN CONNECTION
OPTION V
Supply
PIN
OPTIONS N & I
Supply
OPTION P
Supply
OPTION R
Supply
1
2
3
4
5
E
Output
Output
Ground
Output
Ground
Output
Ground
Temperature range:
0 to +50°C
-10 to +60°C
-20 to +70°C
-30 to +85°C
˿
˿
˿
˿
˿
˿
˿
˿
R
C
N
W
Ground
Not connected Freq adjustment Freq adjustment Variable resistor
Not connected Not connected Ref voltage out Not connected
Scalem-:-
Storage temperature range:
-40 to +85°C
Features
Frequency vs supply voltage:
0.1ppm / V max
Ageing:
1.0ppm max per year
➠
➠
➠
Wide frequency range
Supply voltage (VDD): +5.0V ( 5ꢀ)
˿
˿
Industry standard pin-out
Custom options available
+5.0V ~ 13V ( 5ꢀ)
specify
Supply current:
20mA max (<20.0MHz)
30mA max (20.0~50.0MHz)
50mA max (>50.0MHz)
Frequency Stability
Frequency adjustment:
None
˿
˿
˿
˿
˿
˿
˿
˿
N
I
V
P
R
The table shows option codes for the available combinations of
frequency stability (in ppm) and temperature range. Some
combinations may not be available at certain frequencies.
3ppm min by internal trimmer
5ppm, 2.5V 2.5V
5ppm by external potentiometer
5ppm by variable resistor
3.0
2.5
2.0
1.5
1.0
0.5
Standard2 ˿ O5tionalm mPleasems5ecifymrequiredmcode(s)mwhenmordering -30 to +85°C
-20 to +70°C
-10 to +60°C
0 to +50°C
KW
KN
KC
KR
JW
JN
JC
JR
HW
HN
HC
HR
-
-
-
-
EC
ER
GN
GC
GR
FN
FC
FR
Ordering Information
Product name + variant + option codes + frequency
eg: GTXO-420H/JCN 44.7360MHz ± ±2.55pm -10+1ꢀ°
GTXO-420T/FRI 19.440MHz ± -2155pm10.1ꢀ°
Option code X (eg GTXO-420H/X) denotes a custom spec.
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
15 Jun 2001
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