IDT82V3285DQGT IDT, Integrated Device Technology Inc, IDT82V3285DQGT Datasheet - Page 30

• Manufacturer Part Number: IDT82V3285DQGT
• Description: IC PLL WAN STRATUM 100-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: PLL Clock Generatorr

Specifications of IDT82V3285DQGT

• Input: CMOS, LVDS, PECL, TTL
• Output: CMOS, LVDS, PECL, TTL
• Frequency - Max: 622.08MHz
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP, 100-VQFP
• Frequency-max: 622.08MHz
• Function: Wan PLL
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Package Type: TQFP
• Pin Count: 100
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 82V3285DQGT

Functional Description
IDT82V3285
Notes to
1. Reset.
2. An input clock is selected.
3. The T0 selected input clock is disqualified AND No qualified input clock is available.
4. The T0 selected input clock is switched to another one.
5. The T0 selected input clock is locked (the T0_DPLL_LOCK bit is ‘1’).
6. The T0 selected input clock is disqualified AND No qualified input clock is available.
7. The T0 selected input clock is unlocked (the T0_DPLL_LOCK bit is ‘0’).
8. The T0 selected input clock is locked again (the T0_DPLL_LOCK bit is ‘1’).
9. The T0 selected input clock is switched to another one.
10. The T0 selected input clock is locked (the T0_DPLL_LOCK bit is ‘1’).
11. The T0 selected input clock is disqualified AND No qualified input clock is available.
12. The T0 selected input clock is switched to another one.
13. The T0 selected input clock is disqualified AND No qualified input clock is available.
14. An input clock is selected.
15. The T0 selected input clock is switched to another one.
Figure
7:
Figure 7. T0 Selected Input Clock vs. DPLL Automatic Operating Mode
15
Pre-Locked2
mode
4
10
Pre-Locked
mode
9
12
1
3
5
8
Lost-Phase
30
Locked
mode
mode
Free-Run mode
2
7
13
11
6
14
Holdover
mode
April 11, 2007
WAN PLL