SP8858
F
REF
F
PD
C4
R1
1V
OP
C6
R12
R13
15V
15V
R2
15V
POWER
DOWN
6
26
25
5
4
24
27
21
−
OP27
+
R10
2V
OP
CONTROL
33p
20
33p
10MHz
MURATA
MQE001-1016
VCO
15V
F1/F2
13
SP8858
Alternative reference oscillator
100n
R7
SMA
R6
R5
SMA
RF INPUT
SMA C43
10
11
28
16
15
14
20
(INADVERTENTLY
LABELED R9
ON BOARD)
DATA
CLOCK
ENABLE
40MHz
REFERENCE
OSCILLATOR
NOTES
1. PINS 1, 3, 17 AND 21 ARE NC
2. PINS 2, 7, 11, 12, 19, AND 22 = GND
3. PINS 8, 9, 18 AND 23 =
15V
4. DECOUPLING CAPACITORS NOT SHOWN
LINK TO
COMPLETE
PLL
C40
C32
6
LOGIC ‘1’
SEND
15V
R4
R3
1
3
HC20
1
5
4
2
1
C14
1
2
2
D
CLR
HC08
3
3
HC74
4
Q
5
CLK
PRE
4
5
7
11
3
11
LOGIC ‘1’
OSC
2
HC00
HC08
6
Q
D
LOAD
5
12
UP
HC193a
CO
A B C D
15
1
10
9
Q
A
LOAD
5
UP
HC193b
A B C D
15
1
10
9
1MHz CLK
9
10
HC00
8
2
10
1
2
9
10
1
2
9
10
1
TO SHIFT
REGISTER
d, e AND f
9
CLK
SER
SH / LD
CLK
SER
SH / LD
CLK
SER
SH / LD
Q
H
A B C D E F G H
11 12 13 14 3
4
5
HC165c
Q
H
A B C D E F G H
11 12 13 14 3
4
5
HC165b
Q
H
A B C D E F G H
11 12 13 14 3
4
5
6
HC165a
15V
6
15V
6
15V
SILc
SILb
SILa
SWITCHc
SWITCHb
SWITCHa
FROM SECOND
PROGRAMMABLE
SHIFT REGISTER
d, e AND f
CIRCUIT IN DOTTED LINES IS DUPLICATED
Fig. 12 SP8858 demonstration board
12
MITEL [ MITEL NETWORKS CORPORATION ]
