stcd2400 STMicroelectronics, stcd2400 Datasheet - Page 11

• Manufacturer Part Number: stcd2400
• Description: Multichannel Clock Distribution Circuit
• Manufacturer: STMicroelectronics

STCD22x0, STCD23x0, STCD24x0
Table 4.
number
Pin
C1
D1
C2
D2
C3
D3
C4
D4
A1
B1
A2
B2
A3
B3
A4
B4
VTCXO LDO output for external clock source (decouple with a 1 µF capacitor to GND)
MC
MCLK
name
OPT2
OPT1
CLK1
CLK4
CLK2
CLK3
GND
BYP
EN1
EN4
EN2
EN3
V
Pin
Pin functions (STCD24x0, 4-channel)
CC
REQ
Supply voltage (decouple with a 1 µF capacitor to GND)
Master clock input
Optional pin 2. Connect to V
EN4 active high/low. Refer to
information.
Bypass capacitor input pin (10 nF capacitor should be connected to GND in
order to improve thermal noise performance)
Supply ground
Master clock request signal (open drain, active low)
Optional pin 1. Connect to V
EN2 active high/low. Refer to
information.
Clock output channel - output 1
Clock output channel enable-1 (active high/low OPT1 field programmable)
Clock output channel enable-4 (active high/low OPT2 field programmable)
Clock output channel - output 4
Clock output channel - output 2
Clock output channel enable-2 (active high/low OPT1 field programmable)
Clock output channel enable-3 (active high/low OPT2 field programmable)
Clock output channel - output 3
Doc ID 15400 Rev 2
CC
CC
Section 3.2: Enable polarity
Section 3.2: Enable polarity
or GND on PC board to field configure EN3 and
or GND on PC board to field configure EN1 and
Description
for detailed
for detailed
Device overview
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