ETC FS6322-04

FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
1.0
Features
2.0
•
Three PLLs with deep reference, feedback, and post
dividers to provide precision clock frequencies
•
Multiple outputs provide several clocking options
•
Outputs may be tristated for board testing
•
S0, S1, and S2 inputs modify output frequencies for
design flexibility
•
3.3V operation
•
Accepts 5 to 30MHz crystals (see Frequency Table
for specific reference frequencies required)
•
Custom frequency patterns, pinouts, and packages
are available. Contact your local AMI Sales Representative for more information.
Description
The FS6322 is a ROM-based CMOS clock generator IC
designed to minimize cost and component count in a variety of electronic systems.
Three low-jitter phase-locked loops (PLLs) drive up to five
low-skew clock outputs to provide a high degree of flexibility. The device is packaged in a 16-pin SOIC to minimize board space.
High-resolution divider capability permits generation of
desired frequencies.
Figure 1: Pin Configuration
1
16
OE
VDD
2
15
S2
VSS
3
14
VDD
XOUT/REFIN
4
13
S1
XIN
5
12
S0
CLK_E
6
11
VSS
CLK_D
7
10
CLK_A
CLK_F
8
9
CLK_B
FS6322
CLK_C
16-pin (0.150”) SOIC
Figure 2: Block Diagram
OE
XIN
XOUT
Crystal
Oscillator
CLK_A
CLK_B
PLL A
PLL B
Clock
Logic
CLK_D
CLK_E
PLL C
S2:S0
Device
Control
CLK_C
CLK_F
FS6322-04
This document contains information on a product under development. American Microsystems, Inc. reserves the right to change or discontinue this product without notice.
ISO9001
4.26.00
FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
Table 1: Pin Descriptions
Key: AI = Analog Input; AO = Analog Output; DI = Digital Input; DIU = Input with Internal Pull-Up; DID = Input with Internal Pull-Down; DIO = Digital Input/Output; DI-3 = Three-Level Digital Input,
DO = Digital Output; P = Power/Ground; # = Active Low pin
PIN
TYPE
NAME
DESCRIPTION
1
DO
CLK_C
C clock output
2
P
VDD
3
P
VSS
4
AI
XOUT / REFIN
Power supply (3.3V nominal – see version specific information)
Ground
Crystal oscillator drive / external reference input
5
AO
XIN
6
DO
CLK_E
E clock output
Crystal oscillator feedback
7
DO
CLK_D
D clock output
8
DO
CLK_F
F clock output
9
DO
CLK_B
A clock output
10
DO
CLK_A
B clock output
11
P
VSS
Ground
12
DI
U
S0
Frequency select control input
13
DIU
S1
Frequency select control input
14
P
VDD
15
DIU
S2
Frequency select control input
16
DIU
OE
Output enable input: logic-high enables outputs; logic-low tristates outputs (high impedance)
Power supply (5V to 3.3V)
Table 2: Frequency Table – FS6322-04 (3.3volt)
S2
S1
S0
FREF
CLK_A
(pin 10)
0
0
0
29.838
0.00000
0
0
1
27.000
0
1
0
0
1
1
1
0
0
29.838
1
0
1
27.000
1
1
0
1
1
1
CLK_B
(pin 9)
CLK_C
(pin 1)
48.00026
0.00000
(FREF*37/23)
2.81600
24.57600
11.28960
(FREF*352/3375)
(FREF*1024/1125)
(FREF*784/1875)
CLK_D
(pin 7)
CLK_E
(pin 6)
CLK_F
(pin 8)
24.61635
29.83800
(FREF)
0.00000
27.00000
(FREF)
0.00000
29.83800
(FREF)
0.00000
27.00000
(FREF)
0.00000
(FREF*33/40)
0.00000
DO NOT USE
0.00000
48.00026
29.49105
24.61635
(FREF*37/23)
(FREF*85/86)
(FREF*33/40)
2.81600
24.57600
5.63200
(FREF*352/3375)
(FREF*1024/1125)
(FREF*704/3375)
0.00000
DO NOT USE
2
4.26.00
FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
3.0
Electrical Specifications
Table 3: Absolute Maximum Ratings
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These conditions represent a stress rating only, and functional operation of the device at
these or any other conditions above the operational limits noted in this specification is not implied. Exposure to maximum rating conditions for extended conditions may affect device performance,
functionality, and reliability.
PARAMETER
Supply Voltage, dc (VSS = ground)
SYMBOL
MIN.
MAX.
UNITS
VDD
VSS-0.5
7
V
Input Voltage, dc
VI
VSS-0.5
VDD+0.5
V
Output Voltage, dc
VO
VSS-0.5
VDD+0.5
V
Input Clamp Current, dc (VI < 0 or VI > VDD)
IIK
-50
50
mA
Output Clamp Current, dc (VI < 0 or VI > VDD)
IOK
-50
50
mA
Storage Temperature Range (non-condensing)
TS
-65
150
°C
Ambient Temperature Range, Under Bias
TA
-55
125
°C
Junction Temperature
TJ
150
°C
Lead Temperature (soldering, 10s)
Input Static Discharge Voltage Protection (MIL-STD 883E, Method 3015.7)
260
°C
2
kV
CAUTION: ELECTROSTATIC SENSITIVE DEVICE
Permanent damage resulting in a loss of functionality or performance may occur if this device is subjected to a high-energy electrostatic discharge.
Table 4: Operating Conditions
PARAMETER
SYMBOL
CONDITIONS/DESCRIPTION
3.3V ± 10%
MIN.
TYP.
MAX.
UNITS
3
3.3
3.6
V
Supply Voltage
VDD
Ambient Operating Temperature Range
TA
0
70
°C
Crystal Resonator Frequency
fXIN
5
30
MHz
Output Load Capacitance
CL
20
pF
3
4.26.00
FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
Table 5: DC Electrical Specifications
Unless otherwise stated, VDD = 3.3V ± 10%, no load on any output, and ambient temperature range TA = 0°C to 70°C. Parameters denoted with an asterisk ( * ) represent nominal characterization
data and are not production tested to any specific limits. Where given, MIN and MAX characterization data are ± 3σ f rom typical. Negative currents indicate current flows out of the device.
PARAMETER
SYMBOL
CONDITIONS/DESCRIPTION
MIN.
TYP.
MAX.
UNITS
Overall
Supply Current, Dynamic, with Loaded
Outputs
IDD
fXTAL = 27MHz; CL = 0pF, VDD = 3.3V
FS6322-04: S[2:0]=[100]
20
mA
Digital Inputs (OE, S2, S0)
High-Level Input Voltage
VIH
2.4
VDD+0.3
V
Low-Level Input Voltage
VIL
VSS-0.3
0.8
V
High-Level Input Current
IIH
VIN = VDD
Low-Level Input Current (pull-up)
IIL
VIN = 0V
-1
1
µA
µA
-8
Digital Inputs (S1)
High-Level Input Voltage
VIH
2.4
VDD+0.3
V
Low-Level Input Voltage
VIL
VSS-0.3
0.8
V
High-Level Input Current
IIH
VIN = VDD
Low-Level Input Current (pull-up)
IIL
VIN = 0V
-16
µA
As seen by a crystal connected to XIN and
XOUT
16
pF
RXTAL=20Ω
200
uW
-1
1
µA
Crystal Oscillator
Crystal Loading Capacitance
CL(xtal)
Crystal Drive Level
Clock Outputs (CLKA, CLKB)
Output Current High
IOH
VO = 2.4V
-4
mA
Output Current Low
IOL
VO = 0.4V
4
mA
Short Circuit Source Current *
IOSH
VO = 0V; shorted for 30s, max.
-25
mA
Short Circuit Sink Current *
IOSL
VO = 3.3V; shorted for 30s, max.
30
mA
zOH
VO = 0.5VDD; output driving high
70
zOL
VO = 0.5VDD; output driving low
55
Ω
Output Impedance *
4
4.26.00
FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
Table 6: AC Timing Specifications
Unless otherwise stated, VDD = 3.3V ± 10%, no load on any output, and ambient temperature range TA = 0°C to 70°C. Parameters denoted with an asterisk ( * ) represent nominal characterization
data and are not production tested to any specific limits. Where given, MIN and MAX characterization data are ± 3σ f rom typical.
PARAMETER
SYMBOL
CONDITIONS/DESCRIPTION
CLOCK
(MHz)
MIN.
TYP.
MAX.
UNITS
Clock Output (CLK_X)
Duty Cycle *
Crystal oscillator derived outputs
Measured @1.4V; CL = 20pF
43
51
57
%
Duty Cycle *
PLL derived outputs
Measured @1.4V; CL = 20pF
45
51
55
%
Rise Time *
tr
VO = 0.4V to 2.4V; CL = 20pF
2.2
ns
Fall Time *
tf
VO = 2.4V to 0.4V; CL = 20pF
1.8
ns
Jitter, Period (RMS) *
tj(1 σ)
From rising edge to next rising edge at VDD/2, CL =
20pF
50
ps
Jitter, Period (peak-peak) *
tj(∆P)
From rising edge to next rising edge at VDD/2, CL =
20pF
400
ps
Jitter, Cumulative (RMS)*
tj(LT)
PLL-derived outputs
From 0-500µs at VDD/2, CL = 20pF
compared to ideal clock source
100
ps
PLL derived outputs
@ 100KHz offset from fundamental
-80
dbC/Hz
Phase Noise *
5
4.26.00
FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
4.0
Package Information
Table 7: 16-pin SOIC (0.150") Package Dimensions
DIMENSIONS
INCHES
16
MILLIMETERS
MIN.
MAX.
MIN.
MAX.
A
0.061
0.068
1.55
1.73
A1
0.004
0.0098
0.102
0.249
A2
0.055
0.061
1.40
1.55
R
B
0.013
0.019
0.33
0.49
C
0.0075
0.0098
0.191
0.249
D
0.386
0.393
9.80
9.98
E
0.150
0.157
3.81
3.99
e
0.050 BSC
E
1
ALL RADII:
0.005" TO 0.01"
B
0.230
0.244
5.84
6.20
h
0.010
0.016
0.25
0.41
L
0.016
0.035
0.41
0.89
Θ
0°
8°
0°
8°
h x 45°
7° typ.
e
1.27 BSC
H
H
AMERICAN MICROSYSTEMS, INC.
A2
D
A
A1
BASE PLANE
C
θ
L
SEATING PLANE
Table 8: 16-pin SOIC (0.150") Package Characteristics
PARAMETER
SYMBOL
Thermal Impedance, Junction to Free-Air
16-pin 0.150” SOIC
ΘJA
Lead Inductance, Self
L11
CONDITIONS/DESCRIPTION
TYP.
UNITS
Air flow = 0 m/s
95
°C/W
Corner lead
4.0
Center lead
3.0
nH
Lead Inductance, Mutual
L12
Any lead to any adjacent lead
0.4
nH
Lead Capacitance, Bulk
C11
Any lead to VSS
0.5
pF
6
4.26.00
FS6322-04
Three-PLL Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
April 2000
5.0
Ordering Information
ORDERING CODE
DEVICE NUMBER
PACKAGE TYPE
OPERATING
TEMPERATURE RANGE
SHIPPING
CONFIGURATION
11825-102
FS6322-04
16-pin (0.150”) SOIC
(Small Outline Package)
0° C to 70° C (Commercial)
Tape and Reel
11825-112
FS6322-04
16-pin (0.150”) SOIC
(Small Outline Package)
0° C to 70° C (Commercial)
Tubes
Copyright © 2000 American Microsystems, Inc.
Devices sold by AMI are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. AMI
makes no warranty, express, statutory implied or by description, regarding the information set forth herein or regarding the freedom
of the described devices from patent infringement. AMI makes no warranty of merchantability or fitness for any purposes. AMI reserves the right to discontinue production and change specifications and prices at any time and without notice. AMI’s products are
intended for use in commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining equipment, are specifically not recommended without additional processing by AMI for such applications.
American Microsystems, Inc., 2300 Buckskin Rd., Pocatello, ID 83201, (208) 233-4690, FAX (208) 234-6796,
WWW Address: http://www.amis.com E-mail: [email protected]
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