ZL40294 datasheet(8/46 Pages) MICROCHIP

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ZL40294

DS20006768B-page 8



2023 Microchip Technology Inc.

CK14#

Ultra-Low Additive Jitter Differential Outputs 0 to 19

Output frequency range 0 MHz to 250 MHz

CK15

CK15#

CK16

CK16#

CK17

CK17#

CK18

CK18#

CK19

CK19#

Hardware Control

K11

vOE7#

IPD

Output Enable. Logic level on these pins enables/disables

corresponding output:

OE_n# = CKn/n#

0 = Active

1 = Low/Low both pulled low by 42.5Ω

H11

vOE8#

E12

vOE9#

C11

vOE11#

B10

vOE12#

vOE5#/vDATA

IPD

Output Enable/Data Input for Side Band Interface.

When Side-Band interface is disabled (pin SBEN pulled low)

this pin is Output Enable and the description is the same as

for pin K11 above.

When Side-Band interface is enabled (pin SBEN pulled high)

this pin is Data Input for Side-Band interface.

L10

vOE6#/vCLK

IPD

Output Enable/Clock Input for Side Band Interface.

When Side-Band Interface is disabled (pin SBEN pulled low)

this pin is Output Enable and the description is the same as

for pin K11 above.

When Side-Band interface is enabled (pin SBEN pulled high)

this pin is Clock Input for Side-Band interface.

E11

vOE10#/

vSHFT_LD#

IPD

Output Enable/Shift Load for Side Band Interface.

When Side-Band interface is disabled (pin SBEN pulled low)

this pin is Output Enable and the description is the same as

for pin K11 above.

When Side-Band interface is enabled (pin SBEN pulled high)

this pin is Shift Load Input for Side-Band interface. A falling

edge on this pin transfers the sideband shift register content

to the output register.

vSBEN

IPD

Side-Band Interface Enable.

When this pin is low, the Side-Band interface is disabled and

OE pins and OE Register bits (via SMBus) can be used to

enable/disable outputs.

When this pin is high, the Side-Band interface can be used to

enable/disable outputs, and OE pins and OE Register bits (via

SMBus) are disabled.

PWRGD/

PWRDN#

Power Up/Power Down.

SMBus Control

SMBCLK

SMBus Client Clock Input.

SMBDAT

I/O

Input/Open Drain SMBus Data.

TABLE 2-1:

PIN DESCRIPTIONS (CONTINUED)

Pin Number

Pin Name

Input/Output

Description

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