Datasheet

MAX9242/MAX9244/MAX9246/MAX9254
21-Bit Deserializers with Programmable
Spread Spectrum and DC Balance
_______________________________________________________________________________________ 3
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= LVDSV
CC
= PLLV
CC
= +3.0V to +3.6V, V
CCO
= +3.0V to +5.5V, PWRDWN = high; SSG = high, open, or low; DCB = high or
low, differential input voltage |V
ID
| = 0.05V to 1.2V, input common-mode voltage V
CM
= |V
ID
/ 2| to 2.4V - |V
ID
/ 2|, unless otherwise
noted. Typical values are at V
CC
= V
CCO
= LVDSV
CC
= PLLV
CC
= +3.3V, |V
ID
| = 0.2V, V
CM
= +1.25V, T
A
= +25°C.) (Notes 1, 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
6MHz 29 45
8MHz 33 49
DC-balanced
mode (SSG = low)
18MHz 48 69
8MHz 33 47
10MHz 37 52
Non-DC-balanced
mode (SSG = low)
20MHz 52 73
6MHz 37 54
8MHz 41 62
D C -b al anced m od e
( S SG = hi g h or op en)
18MHz 65 91
8MHz 41 58
10MHz 46 65
Worst-Case Supply Current I
CCW
C
L
= 8pF,
worst-case pattern,
V
CC
= V
CCO
= 3.0V
to 3.6V, Figure 2
(MAX9246)
N on- D C -b al anced
m ode
( S SG = hi g h or op en)
20MHz 66 92
mA
Power-Down Supply Current I
CCZ
PWRDWN = low 50 µA
5V-TOLERANT LOGIC INPUT (PWRDWN)
High-Level Input Voltage V
IH
2.0 5.5 V
Low-Level Input Voltage V
IL
-0.3 +0.8 V
Input Current I
IN
PWRDWN = high or low level -20 +20 µA
Input Clamp Voltage V
CL
I
CL
= -18mA -1.5 V
THREE-LEVEL LOGIC INPUTS (DCB, SSG)
High-Level Input Voltage V
IH
2.5
V
CC
+
0.3
V
Mid-Level Input Current I
IM
D C B, S S G op en or connected to a d r i ver w i th
outp ut i n hi g h- i m p ed ance state ( N ote 3)
-10 +10 µA
Low-Level Input Voltage V
IL
-0.3 +0.8 V
Input Current I
IN
DCB, SSG = high or low level,
PWRDWN = high or low
-20 +20 µA
Input Clamp Voltage V
CL
I
CL
= -18mA -1.5 V
SINGLE-ENDED OUTPUTS (RxOUT_, RxCLKOUT)
I
OH
= -100µA
V
CCO
- 0.1
RxCLKOUT (Note 4)
V
CCO
- 0.25
V
CCO
- 0.43
High-Level Output Voltage V
OH
I
OH
= -2mA
RxOUT_
MAX9254
V
CCO
- 0.25
V
I
OL
= 100µA 0.1
RxCLKOUT (Note 4) 0.2
0.26
Low-Level Output Voltage V
OL
I
OL
= 2mA
RxOUT_
MAX9254 0.2
V