Data Sheet
FS6377-01/FS6377-01g Programmable 3-PLL Clock Generator IC
Table 12. DC Electrical Specifications
Parameter
Overall
Symbol Conditions/Description
Min.
Typ.
Max.
Units
DD
CLK
L
V
= 5.5V, f = 50MHz, C = 15pF
Supply Current, Dynamic, With
Loaded Outputs
43
mA
mA
DD
I
I
See Figure 10 for more information
Supply Current, Static
0.3
DDL
DD
V
= 5.5V, device powered down
Power-Down, Output Enable Pins (PD, OE)
3.85
2.52
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
= 5.5V
= 3.6V
= 5.5V
= 3.6V
= 5.5V
= 3.6V
V +0.3
High-Level Input Voltage
V
V
V
IH
V
DD
V +0.3
1.65
1.08
SS
V -0.3
Low-Level Input Voltage
IL
V
V
SS
V -0.3
2.20
1.44
Hysteresis Voltage
hys
High-Level Input Current
-1
1
µA
µA
IH
IL
I
Low-Level Input Current (pull-up)
-20
-36
-80
IL
I
V = 0V
Serial Interface I/O (SCL, SDA)
3.85
2.52
DD
DD
V
V
V
V
V
V
= 5.5V
V +0.3
High-Level Input Voltage
Low-Level Input Voltage
Hysteresis Voltage
V
V
V
IH
V
V
V
DD
DD
DD
DD
DD
DD
= 3.6V
= 5.5V
= 3.6V
= 5.5V
= 3.6V
V +0.3
1.65
1.08
SS
V -0.3
IL
SS
V -0.3
2.20
1.44
hys
High-Level Input Current
-1
1
µA
µA
IH
IL
I
I
I
Low-Level Input Current (pull-up)
Low-Level Output Sink Current (SDA)
-20
-36
26
-80
IL
V = 0V
mA
OL
OL
V
DD
= 0.4V, V = 5.5V
Mode and Frequency Select Inputs (ADDR, SEL_CD)
2.4
2.0
DD
V
DD
V
DD
V
DD
V
DD
= 5.5V
= 3.6V
= 5.5V
= 3.6V
V +0.3
High-Level Input Voltage
V
V
IH
V
DD
V +0.3
0.8
0.8
1
SS
V -0.3
Low-Level Input Voltage
IL
V
SS
V -0.3
High-Level Input Current
-1
µA
µA
IH
I
Low-Level Input Current (pull-up)
-20
-36
-80
IL
I
Crystal Oscillator Feedback (XIN)
2.9
1.7
54
DD
DD
DD
DD
DD
V
V
V
V
V
= 5.5V
Threshold Bias Voltage
V
TH
V
= 3.6V
µA
mA
µA
pF
= 5.5V
High-Level Input Current
IH
I
5
15
= 5.5V, oscillator powered down
= 5.5V
Low-Level Input Current
-25
-54
18
36
-75
IL
I
As seen by an external crystal connected to XIN and XOUT
Crystal Loading Capacitance*
L(xtal)
C
As seen by an external clock driver on XOUT; XIN unconnected
Input Loading Capacitance*
pF
L(XIN)
C
Crystal Oscillator Drive (XOUT)
High-Level Output Source Current
10
21
30
mA
mA
OH
DD
DD
(XIN)
O
I
V
= V = 5.5V, V = 0V
Low-Level Output Sink Current
-10
-21
-30
OL
(XIN)
O
I
V
= 5.5V, V = 0V, V = 5.5V
Clock Outputs (CLK_A, CLK_B, CLK_C, CLK_D)
High-Level Output Source Current
-125
23
mA
mA
OH
O
I
V = 2.4V
Low-Level Output Sink Current
OL
O
I
V = 0.4V
29
OH
O
DD
Z
V = 0.5V ; output driving high
Ω
Output Impedance
27
OL
Z
O
DD
V = 0.5V ; output driving low
Tristate Output Current
-10
10
µA
mA
mA
Z
I
Short Circuit Source Current*
-150
123
SCH
DD
DD
O
I
V
= 5.5V, V = 0V; shorted for 30s, max.
Short Circuit Sink Current*
SCL
O
I
V
= V = 5.5V, shorted for 30s, max.
DD
A
Unless otherwise stated, V = 5.0V ± 10%, no load on any output, and ambient temperature range T = 0°C to 70°C. Parameters denoted with an asterisk ( * ) represent nominal
characterization data and are not currently production tested to any specific limits. Min. and Max. characterization data are ± 3σ from typical. Negative currents indicate current flows out of
the device.
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