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232 of 248 012103
Please contact telecom.support@dalsemi.com or search http://www.maxim-ic.com for updated
information.
RECOMMENDED DC OPERATING CONDITIONS
(0°C to +70°C for DS21Q55; -40°C to +85°C for DS21Q55N)
PARAMETER SYMBOL
MIN TYP MAX UNITS NOTES
Logic 1 V
IH
2.0 5.5 V
Logic 0 V
IL
-0.3 +0.8 V
Supply V
DD
3.135 3.3 3.465 V 1
CAPACITANCE (T
A
= +25°C)
PARAMETER SYMBOL
MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
5 pF
Output Capacitance C
OUT
7 pF
DC CHARACTERISTICS
(0°C to +70°C; V
DD
= 3.3V ± 5% for DS21Q55;
-40°C to +85°C; V
DD
= 3.3V ± 5% for DS21Q55N)
PARAMETER SYMBOL
MIN TYP MAX UNITS NOTES
Supply Current I
DD
380 mA 2
Input Leakage I
IL
-1.0 +1.0
µA
3
Output Leakage I
LO
1.0
µA
4
Output Current (2.4V) I
OH
-1.0 mA
Output Current (0.4V) I
OL
+4.0 mA
NOTES:
1) Applies to RV
DD
, TV
DD
, and DV
DD
.
2) TCLK = TCLKI = RCLKI = TSYSCLK = RSYSCLK = MCLK1 = MCLK2 = 1.544MHz; outputs
open circuited.
3) 0.0V < V
IN
< V
DD
.
4) Applied to INT* when 3-stated.