Rainbow Electronics MAX3679A - Manual (Page 2)

MAX3679A
+3.3V, Low-Jitter Crystal to LVPECL
Clock Generator
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V CC = +3.0V to +3.6V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at V CC = +3.3V, T A = +25°C, unless other-
wise noted.) (Notes 1, 2, and 3)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage Range V
CC
, V
CCA
,
V DDO_A , V CCO_A , V CCO_B ................................-0.3V to +4.0V
Voltage Range at REF_IN, IN_SEL,
SELA[1:0], SELB[1:0], RES[1:0],
QAC_OE, QA_OE, QB0_OE, QB1_OE,
MR, BYPASS ..........................................-0.3V to (V
CC + 0.3V)
Voltage Range at X_IN Pin ...................................-0.3V to +1.2V
Voltage Range at GNDO_A...................................-0.3V to +0.3V
Voltage Range at X_OUT ............................-0.3V to (V
CC - 0.6V)
Current into QA_C ...........................................................±50mA
Current into QA, QA, QB0, QB0, QB1, QB1 .....................-56mA
Continuous Power Dissipation (T
A
= +70 °C)
32-Pin TQFN (derate 34.5mW/ °C above +70°C) .......2759mW
Operating Junction Temperature Range ...........-55°C to +150°C
Storage Temperature Range .............................-65°C to +160°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Power-Supply Current I CC (Note 4) 77 100 mA
CONTROL INPUT CHARACTERISTICS
(SELA[1:0], SELB[1:0], IN_SEL, QAC_OE, QA_OE, QB1_OE, QB0_OE, MR,
BYPASS Pins)
Input Capacitance C IN 2 pF
Input Pulldown Resistor R PULLDOWN Pin MR 75 k
Input Logic Bias Resistor R BIAS Pins SELA[1:0], SELB[1:0], QB0_OE 50 k
Input Pullup Resistor R PULLUP
Pins QAC_OE, QA_OE, QB1_OE, IN_SEL,
BYPASS
75 k
LVPECL OUTPUT SPECIFICATIONS (QA, QA, QB0, QB0, QB1, QB1 Pins)
T A = 0°C to +85°C
V CC -
1.13
V CC -
0.98
V CC -
0.83
Output High Voltage V OH
T A = -40°C to 0°C
V CC -
1.18
V CC -
0.83
V
T A = 0°C to +85°C
V CC -
1.85
V CC -
1.7
V CC -
1.55
Output Low Voltage V OL
T A = -40°C to 0°C
V CC -
1.90
V CC -
1.55
V
Peak-to-Peak Output-Voltage
Swing (Single-Ended)
(Note 2) 0.6 0.72 0.9 V P-P
Clock Output Rise/Fall Time 20% to 80% (Note 2) 200 350 600 ps
PLL enabled 48 50 52
Output Duty-Cycle Distortion
PLL bypassed (Note 5) 40 50 60
%
LVCMOS/LVTTL INPUT SPECIFICATIONS
(SELA[1:0], SELB[1:0], IN_SEL, QAC_OE, QA_OE, QB1_OE, QB0_OE, MR,
BYPASS Pins)
Input-Voltage High V IH 2.0 V
Input-Voltage Low V IL 0.8 V