stcd2400 STMicroelectronics, stcd2400 Datasheet - Page 7

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

STCD22x0, STCD23x0, STCD24x0
Note:
Figure 2.
Enable signals (EN1-4) can be factory programmed either active high or active low for
STCD23x0 and can have different polarity options by configuring OPT1 and OPT2 for
STCD22x0 and STCD24x0. Master clock request (MC
low.
Figure 3.
C
Block diagram
Hardware hookup (master clock enable active low)
C
XO
V
VTCXO
MC
DD
MCLK
OPT2
OPT1
EN
BYP
REQ
VIO
V
C
CC
Doc ID 15400 Rev 2
STCD24x0
Bandgap
LDO
VTCXO
MCLK
OPT1
OPT2
V
BYP
MC
CC
STCD24x0
REQ
V
GND
V
CC
CC
CLK3
CLK2
CLK4
CLK1
EN4
EN3
EN2
EN1
4
3
2
1
VTCXO
VTCXO
VTCXO
VTCXO
REQ
) is open drain output and active
Enable
control
CLK3
EN4
EN3
CLK2
CLK1
CLK4
EN2
EN1
Clock #2 output
Clock #4 output
Clock #3 output
Clock #1 output
Device overview
ai14028a
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