ICS ICS9112-26

Integrated
Circuit
Systems, Inc.
ICS9112-26
Low Skew Output Buffer
General Description
Features
The ICS9112-26 is a high performance, low skew, low jitter
clock driver. It is designed to distribute high speed clocks in
PC systems operating at speeds from 0 to 133 MHz.
•
•
•
•
•
The ICS9112-26 comes in an eight pin 150 mil SOIC package.
It has four output clocks.
•
Frequency range 0 - 133 MHz (3.3V)
Less than 200 ps Jitter between outputs
Skew controlled outputs
Skew less than 250 ps between outputs
Available in 8 pin 150 mil SOIC &
173 mil TSSOP packages.
3.3V ±10% operation
Block Diagram
CLK0
CLK1
CLK_IN
CLK0
1
VDD
2
GND
3
CLK1
4
ICS9112-26
Pin Configuration
8
CLK_IN
7
CLK3
6
VDD
5
CLK2
8 pin SOIC & TSSOP
CLK2
CLK3
Pin Descriptions
PIN NUMBER
PIN NAME
1
TYPE
DESCRIPTION
1
CLK0
OUT
Buffered clock output
2,6
VDD
PWR
Power Supply (3.3V)
3
GND
PWR
Ground
4
CLK11
OUT
Buffered clock output
5
CLK21
OUT
Buffered clock output
7
1
CLK3
OUT
Buffered clock output
8
CLK_IN
IN
Input reference frequency.
Notes:
1. Weak pull-down on all outputs
9112-26 Rev B- 07/16/01
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
ICS9112-26
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ambient Operating Temperature . . . . . . . . . . . .
Storage Temperature . . . . . . . . . . . . . . . . . . . . . .
7.0 V
GND –0.5 V to V DD +0.5 V
0°C to +70°C
–65°C to +150°C
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are
stress specifications only and functional operation of the device at these or any other conditions above those listed in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may affect product reliability.
Electrical Characteristics at 3.3V
TA = 0 - 70C; Supply Voltage VDD = 3.3 V +/-5% (unless otherwise stated)
PARAMETER
SYMBOL
High-level Output Voltage
VOH
Low-level Output Voltage
VOL
High-level Input Current
IOH
Low-level Input Current
IOL
Input Current
Input Capacitance1
1
Output Capacitance
II
CI
CO
Supply current
IDD
CONDITIONS
VDD = min to max, IOH = -1 mA
VDD = 3V, IOH = -24 mA
VDD = 3V, IOH = 12 mA
VDD = min to max, IOH = 1 mA
VDD = 3V, IOH = 24 mA
VDD = 3V, IOH = 12 mA
VDD = 3V, VO = 1V
VDD = 3.3V, VO = 1.65V
VDD = 3V, VO = 2V
VDD = 3.3V, VO = 1.65V
V = VO or VDD
VDD = 3.3V, VI = 0V or 3.3V
VDD = 3.3V, VI = 0V or 3.3V
REF = 0 MHz
Unloaded outputs at 66.67 MHz
MIN
VDD - 0.2
2
2.4
60
TYP
3.3
2.9
3.1
0.0055
0.28
0.14
-61
-77
103
111
-5
MAX
0.2
0.8
0.55
-50
50
40
µA
pF
pF
µA
mA
MAX
7
7
100
0.5
UNITS
ns
ns
ps
ps
5
3
3.2
22
25
UNITS
V
V
V
V
V
V
1. Guaranteed by design, not 100% tested in production.
Switching Characteristics at 3.3V
TA = 0 - 70C; Supply Voltage VDD = 3.3 V +/-5% (unless otherwise stated)
PARAMETER
Low-to-high Propagation Delay1
High-to-low Propagation Delay1
Output Skew Window1
Process Skew1
SYMBOL
tPLH
tPHL
Tsk(O)
Tsk(PR)
CLKIN High Time1
Thigh
CLKIN Low Time1
Tlow
Output Rise Slew Rate1
Output Rise Slew Rate1
Tr
Tf
1. Guaranteed by design, not 100% tested in production.
CONDITIONS
VO = VDD/2
VO = VDD/2
VO = VDD/2
VO = VDD/2
66 MHz
133 MHz
66 MHz
133 MHz
0.3 to 0.6 VDD
0.3 to 0.6 VDD
Notes:
1. Guaranteed by design and characterization. Not subject to 100% test.
2. CLK_IN input has a threshold voltage of 1.4V
3. All parameters expected with loaded outputs
2
MIN
4
4
6
3
6
3
2
2
TYP
5.6
5.2
50
ns
ns
3.6
3.2
5
5
V/ns
V/ns
ICS9112-26
SYMBOL
In Millimeters
In Inches
COMMON DIMENSIONS COMMON DIMENSIONS
MIN
MAX
MIN
MAX
A
1.35
1.75
.0532
.0688
A1
0.10
0.25
.0040
.0098
B
0.33
0.51
.013
.020
C
0.19
0.25
SEE VARIATIONS
.0075
.0098
SEE VARIATIONS
3.80
4.0
1.27 BASIC
.1497
.1574
0.050 BASIC
H
5.80
6.20
.2284
.2440
h
0.25
0.50
.010
.020
L
0.40
1.27
SEE VARIATIONS
D
E
e
N
α
0°
.016
.050
SEE VARIATIONS
8°
0°
8°
MIN
MAX
MIN
MAX
4.80
5.00
.1890
.1968
VARIATIONS
D mm.
N
8
D (inch)
150 mil (Narrow Body) SOIC
Ordering Information
ICS9112yM-26-T
Example:
ICS XXXX y M - PPP - T
Designation for tape and reel packaging
Pattern Number (2 or 3 digit number for parts with ROM code patterns)
Package Type
M=SOIC
Revision Designator (will not correlate with datasheet revision)
Device Type (consists of 3 or 4 digit numbers)
Prefix
ICS, AV = Standard Device
3
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
ICS9112-26
SYMBOL
In Millimeters
In Inches
COMMON DIMENSIONS COMMON DIMENSIONS
MIN
MAX
MIN
MAX
A
-
1.20
-
.047
A1
0.05
0.15
.002
.006
A2
0.80
1.05
.032
.041
b
0.19
0.30
.007
.012
c
0.09
0.20
SEE VARIATIONS
D
.0035
.008
SEE VARIATIONS
6.40 BASIC
E
E1
4.30
e
4.50
0.252 BASIC
.169
0.65 BASIC
L
0.45
0.75
SEE VARIATIONS
N
.177
0.0256 BASIC
.018
.030
SEE VARIATIONS
α
0°
8°
0°
8°
aaa
-
0.10
-
.004
MIN
MAX
MIN
2.90
3.10
.114
.122
MO-153 JEDEC
Doc.# 10-0038
7/6/00 Rev B
VARIATIONS
D mm.
N
4.40 mm. Body, 0.65 mm. pitch TSSOP
(0.0256 mil)
(173 mil)
8
D (inch)
MAX
Ordering Information
ICS9112yG-26-T
Example:
ICS XXXX y G - PPP - T
Designation for tape and reel packaging
Pattern Number (2 or 3 digit number for parts with ROM code patterns)
Package Type
G=TSSOP
Revision Designator (will not correlate with datasheet revision)
Device Type
Prefix
ICS, AV = Standard Device
4
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.