mk3771-17 Integrated Device Technology, mk3771-17 Datasheet - Page 3

• Manufacturer Part Number: mk3771-17
• Description: Vcxo And Hdtv Set-top Clock Source
• Manufacturer: Integrated Device Technology

Pin Descriptions
IDT™ / ICS™ VCXO AND HDTV SET-TOP CLOCK SOURCE
4, 5, 7, 8, 22
MK3771-17
VCXO AND HDTV SET-TOP CLOCK SOURCE
10, 11, 19,
Number
20, 24
Pin
12
13
14
15
16
17
18
21
23
25
26
27
28
1
2
3
6
9
KEY:
I = Input
TI = Tri-level
O = Output
P = Power supply connection
XI, XO= Crystal connections
CCLK2
CCLK1
VCLK3
VCLK4
VCLK1
VCLK2
Name
BCLK
ACLK
GND
VDD
BS0
BS1
AS2
AS0
AS1
Pin
VIN
CS
VS
X2
X1
Type
Pin
XO
XI
TI
TI
TI
O
O
O
O
O
O
O
O
P
P
I
I
I
I
I
B clock select 0.
Crystal connection. Connect to a pullable 13.5 MHz crystal.
Crystal connection. Connect to a pullable 13.5 MHz crystal.
Connect to +3.3 V.
Analog control voltage for VCXO. Pulls outputs ±100 ppm by varying from
0 to 3.3 V.
Communications Clock Select. Selects CCLK 1 and 2 per table above.
Internal pull-up.
Connect to ground.
B clock output. Determined by status of AS2:0 per table above.
VCXO Clock Select. Selects frequencies on VCLK1-VCLK4 per table
above.
Audio Clock Output. Determined by status of AS2:0 per table above.
Communications Clock Output 2. Determined by status of CS per table
above.
B Clock Select 1. Selects BCLK frequency. See table above.
Communications Clock Output 1. Determined by status of CS per table
above.
VCXO Clock output 3. Can be either 27 or 13.5 MHz per table above.
Audio Clock Select pin 2. Selects Audio clock on pin 14 per table above.
Internal pull-up.
VCXO Clock output 4. Can be either 27 or 108 MHz per table above.
VCXO Clock output 1. Always 27 MHz.
VCXO Clock output 2. Can be either 27 or 54 MHz per table above.
Audio Clock Select pin 0. Selects Audio clock on pin 14 per table above.
Internal pull-up.
Audio Clock Select pin 1. Selects Audio clock on pin 14 per table above.
Internal pull-up.
3
Pin Description
VCXO AND SYNTHESIZER
MK3771-17
REV C 083104