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SY75604B Datasheet(PDF) 11 Page - Microchip Technology

Part # SY75604B
Description  2/4 Outputs Ultra-Low Additive Jitter PCIe 1/2/3/4/5 Clock Buffer
PDF  26 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SY75604B Datasheet(HTML) 11 Page - Microchip Technology

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2021 Microchip Technology Inc. and its subsidiaries
DS20006508B-page 11
SY75602A/02B/603A/03B/604A/04B
TABLE 3-2:
SY75604A/04B AND SY75603A/03B PIN FUNCTION TABLE
Pin Number
Pin Name
SY75604A/04B
Pin Name
SY75603A/03B
Type
Description
Input Reference
1
IN_p
IN_p
I
Differential/Single Ended Input Reference
Input frequency range >0 Hz to 250 MHz
Note 1: >0 Hz means frequency higher than DC. Output Enable
control pins (OExb) need four clock cycles before the corre-
sponding output get enabled/disable. This feature ensures glitch
free transition of the outputs.
Note 2: The differential input has hysteresis of 30 mV that pre-
vents outputs from randomly toggling when both p and n inputs
are at the same voltage level. For example, when p and n inputs
are held low as in the case when the buffer is driven from an
HCSL driver that is disabled.
2
IN_n
IN_n
Output Clocks
4
OUT0_p
NC
O
Ultra-Low Additive Jitter Differential Outputs 0 to 1
(SY75603A/03B) and 0 to 3 (SY75604A/04B)
Output frequency range >0 Hz to 250 MHz
NC are no connect pins. They are not bonded to the die but they
should be soldered to the board for mechanical reasons.
5
OUT0_n
NC
7
OUT1_p
NC
8
OUT1_n
NC
10
OUT2_p
OUT0_p
11
OUT2_n
OUT0_n
14
OUT3_p
OUT1_p
15
OUT3_n
OUT1_n
Control Inputs
3
OE0b
NC
IPD
Output Enable Control
When OExb is low the output x where x = {0,1} for
SY75603A/03B and x = {0,1,2,3} for SY75604A/04B is active.
OExb is synchronous and it takes 3.5 clock cycles of the input
clock to enable and 4.5 clock to disable the output.
OExb pins are pulled-down with 100 kΩ resistor
NC are no connect pins. They are not bonded to the die but they
should be soldered to the board for mechanical reasons.
6
OE1b
NC
12
OE2b
OE0b
16
OE3b
OE1b
Power and Ground
13
VDD
VDD
P
Positive Supply Voltage: Connect to either 3.3V, 2.5V, or 1.8V
supply.
9
ePad
GND
GND
P
Ground: Connect to ground.



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