ICS844020-45 Datasheet, PDF (2/13 Pages) Integrated Device Technology – FEMTOCLOCK™ CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER

ICS844020-45
FEMTOCLOCK™ CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER
PRELIMINARY
TABLE 1. PIN DESCRIPTIONS
Number
1, 7, 13, 20, 26,
32, 36, 42, 48,
50, 56, 61, 62
2, 3
5, 6
8, 9
11, 12
14, 15
18, 19
21, 22
24, 25
27, 28
30, 31
34, 35
37, 38
40, 41
43, 44
46, 47
51, 52
54, 55
4, 10, 16, 17,
23, 29, 33, 39,
45, 53
49
57, 58, 60
59
63, 64
Name
GND
Q0, nQ0
Q1, nQ1
Q2, nQ2
Q3, nQ3
Q4, nQ4
Q5, nQ5
Q6, nQ6
Q7, nQ7
Q8, nQ8
Q9, nQ9
Q10, nQ10
Q11, nQ11
Q12, nQ12
Q13, nQ13
Q14, nQ14
Q15, nQ15
Q16, nQ16
V_DD
V_DDA
Q17, Q18, Q19
V_DDO
XTAL_OUT,
XTAL_IN
Type
Power
Output
Power
Power
Output
Power
Input
Description
Power supply ground.
Differential clock output pair. LVPECL interface levels.
Core power supply pins.
Analog supply pin.
Single-Ended clock outputs. LVCMOS/LVTTL interface levels.
Output power supply pin for LVCMOS outputs.
Crystal oscillator interface. XTAL_OUT is the output.
XTAL_IN is the input.
TABLE 2. PIN CHARACTERISTICS
Symbol
C_IN
C_PD
R_OUT
Parameter
Input Capacitance
Power Dissipation Capacitance
Output Impedance
Test Conditions
Minimum
5
Typical
4
TBD
7
Maximum
12
Units
pF
pF
Ω
IDT^™ / ICS^™ LVDS/LVCMOS FREQUENCY SYNTHESIZER
2
ICS844020-45 REV A JUNE 14, 2006