9SQL4954 Datasheet, PDF (3/20 Pages) Integrated Device Technology – 4-output CK420BQ Derivative

9SQL4954 DATASHEET
Pin Descriptions
Pin#
1
2
3
4
5
Pin Name
GNDXTAL
XIN/CLKIN_25
X2
VDDXTAL3.3
VDDREF3.3
6 vSADR/REF3.3
7 GNDREF
8 GNDDIG
9 VDDDIG3.3
10 SCLK_3.3
11 SDATA_3.3
12 vOE0#
13 BCLK0
14 BCLK0#
15 GND
16 VDDO3.3
17 vOE1#
18 BCLK1
19 BCLK1#
20 GNDA
21 VDDA3.3
22 BCLK2
23 BCLK2#
24 vOE2#
25 VDDO3.3
26 GND
27 BCLK3
28 BCLK3#
29 vOE3#
30 GND
31 ^CKPWRGD_PD#
32 vSS_EN_tri
33 ePAD
Type Pin Description
GND GND for XTAL
IN
Crystal input or Reference Clock input. Nominally 25MHz.
OUT Crystal output.
PWR Power supply for XTAL, nominal 3.3V
PWR VDD for REF output. nominal 3.3V.
LATCHED
I/O
Latch to select SMBus Address/3.3V LVCMOS copy of X1/REFIN pin
GND Ground pin for the REF outputs.
GND Ground pin for digital circuitry
PWR 3.3V digital power (dirty power)
IN
Clock pin of SMBus circuitry, 3.3V tolerant.
I/O
Data pin for SMBus circuitry, 3.3V tolerant.
IN
Active low input for enabling output 0. This pin has an internal 120kohm pull-down.
1 =disable outputs, 0 = enable outputs
OUT True output of differential BCLK.
OUT Complement output of differential BCLK.
GND Ground pin.
PWR Power supply for outputs,nominal 3.3V.
IN
Active low input for enabling output 1. This pin has an internal 120kohm pull-down.
1 =disable outputs, 0 = enable outputs
OUT True output of differential BCLK.
OUT Complement output of differential BCLK.
GND Ground pin for the PLL core.
PWR 3.3V power for the PLL core.
OUT True output of differential BCLK.
OUT Complement output of differential BCLK.
IN
Active low input for enabling output 2. This pin has an internal 120kohm pull-down.
1 =disable outputs, 0 = enable outputs
PWR Power supply for outputs,nominal 3.3V.
GND Ground pin.
OUT True output of differential BCLK.
OUT Complement output of differential BCLK.
IN
Active low input for enabling output 3. This pin has an internal 120kohm pull-down.
1 =disable outputs, 0 = enable outputs
GND Ground pin.
Input notifies device to sample latched inputs and start up on first high assertion. Low
IN
enters Power Down Mode, subsequent high assertions exit Power Down Mode. This
pin has internal 120kohm pull-up resistor.
LATCHED IN
Latched select input to select spread spectrum amount at initial power up :
1 = -0.5% spread, M = -0.25%, 0 = Spread Off
GND Connect to ground
DECEMBER 12, 2016
3
4-OUTPUT CK420BQ DERIVATIVE