SY15-S3 Raltron, SY15-S3 Datasheet - Page 5

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SY15-S3

Manufacturer Part Number
SY15-S3
Description
Manufacturer
Raltron
Datasheet
On the picture below it is shown the pin-out for the SY15-S3. The design is done in such a way that is can support basically any
other pin-out without changes in the hardware. For other pin-out requirement please contact the Raltron.
Tel: 305 593-6033 ! ! ! ! Fax: 305-594-3973 ! ! ! ! e-mail: sales@raltron.com ! ! ! ! Internet: http://www.raltron.com
PIN ASSIGNMENT
Pin #
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
1
2
3
4
5
6
7
8
9
RALTRON ELECTRONICS CORP. ! ! ! ! 10651 N.W.19
PLL UNLOCK
ALARM OUT
HOLDOVER
FREERUN
EX REF 5
EX REF 4
EX REF 3
EX REF 2
EX REF 1
ENOUT1
ENOUT3
ENOUT2
RESET
CNT 1
CNT 2
CNT 3
OUT 1
REF 1
REF 2
REF 3
REF 4
REF 5
AUTS
OUT1
PVDD
OUT3
OUT3
OUT2
OUT2
Name
GND
GND
GND
VCC
REV
EX REF 1
EX REF 2
EX REF 3
EX REF 4
ENOUT2
ENOUT3
ENOUT1
OUT3
PVDD
OUT2
OUT2
OUT3
OUT1
OUT1
GND
GND
VCC
Holdover Signal -> the output is high when the unit is in holdover mode
Reference 1 Signal -> the output is high when the unit is using the reference 1
Reference 2 Signal -> the output is high when the unit is using the reference 2
Reference 3 Signal -> the output is high when the unit is using the reference 3
Reference 4 Signal -> the output is high when the unit is using the reference 4
Reference 5 Signal -> the output is high when the unit is using the reference 5
Free-run Signal -> the output is high when the unit is in the free run mode
Reset -> input signal, reset the module
Ground
External Reference 5 Input -> the input signal from reference 5
Alarm signal -> the output is high when there is an alarm in the module.
Revertive Input-> to set revertive mode (low), to disable revertive mode set the pin high.
Control Input 1 -> the external input for selecting mode of the unit – see table above.
Control Input 2 -> the external input for selecting mode of the unit – see table above.
Control Input 3 -> the external input for selecting mode of the unit – see table above.
Automatic Switching Input -> to select automating switching between references (low), to disable set high.
PLL Unlocked Signal -> the output is high when the unit is not locked to any of the references
Ground
Output 1 complementary -> Complementary signal from the Output 1
Output 1 -> Signal from the O1
Enable Output 1-> Signal enable output 1 when low
PECL VDD -> +3.3V, power supply for PECL and VCSO
Output 3 complementary -> Complementary signal from the Output 3
Output 3 -> Signal from the O3
Enable Output 3-> Signal enable output 3 when low
Ground
Output 2 complementary -> Complementary signal from the Output 2
Output 2 -> Signal from the O2
Enable Output 2-> Signal enable output 2 when low
External Reference 4 Input -> the input signal from reference 4
External Reference 3 Input -> the input signal from reference 3
External Reference 2 Input -> the input signal from reference 2
External Reference 1 Input -> the input signal from reference 1
Positive Voltage Supply
For other pin-out configurations contact the factory!
STRATUM 3 CLOCK UNIT WITH HF OUTPUTS – SY15-S3
25
24
23
22
21
20
19
18
34
33
32
31
30
29
28
27
26
Figure 2 – Bottom view
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
Description
th
St ! ! ! ! Florida 33172 ! ! ! ! U.S.A.
SYNCHRONOUS EQUIPMENT
HOLDOVER
ALARM OUT
FREERUN
PLL UNLOCK
EX REF5
RESET
REF 2
REF 3
REF 4
REF 5
REF 1
GND
REV
CNT 1
CNT 2
CNT 3
AUTS

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