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CDC921DL Datenblatt(PDF) 6 Page - Texas Instruments

Teilenummer CDC921DL
Bauteilbeschribung  133-MHz CLOCK SYNTHESIZER/DRIVER FOR PC MOTHERBOARDS WITH 3-STATE OUTPUTS
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
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CDC921
133-MHz CLOCK SYNTHESIZER/DRIVER FOR PC MOTHERBOARDS
WITH 3-STATE OUTPUTS
SCAS623 –MAY 27, 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VDD
– 0.5 V to 4.6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
– 0.5 V to 4.6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high-impedance state or power-off state,
VO (see Note 1)
– 0.5 V to VDD + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state, IO
2
× IOL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0)
– 18 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0)
– 50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA
–0
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR†
TA = 70°C
TA = 85°C
PACKAGE
A
POWER RATNG
ABOVE TA = 25°C
A
POWER RATING
A
POWER RATING
DL
1315.7 mW
10.53 mW/
°C
842.1 mW
684.2 mW
† This is the inverse of the traditional junction-to-case thermal resistance (RθJA) and uses a board-mounted device
at 95
°C/W.
recommended operating conditions (see Note 2)
MIN
NOM†
MAX
UNIT
Supply voltage VDD
3.3 V
3.135
3.465
V
Supply voltage, VDD
2.5 V
2.375
2.625
V
High-level input voltage, VIH
2
VDD +
0.3 V
V
Low-level input voltage, VIL
GND –
0.3 V
0.8
V
Input voltage, VI
0
VDD
V
CPUx, CPU_DIV2
–12
High level output current IOH
APIC
–12
mA
High-level output current, IOH
48MHz, REFx
–14
mA
PCIx, PCI_F, 3V66x
–18
CPUx, CPU_DIV2
12
Low level output current IOL
APIC
12
mA
Low-level output current, IOL
48MHz, REFx
9
mA
PCIx, PCI_F, 3V66x
12
Reference frequency, f(XTAL)‡
Test mode
130
MHz
Crystal frequency, f(XTAL)§
Normal mode
13.8
14.318
14.8
MHz
Operating free-air temperature, TA
0
85
°C
NOTE 2: Unused inputs must be held high or low to prevent them from floating.
† All nominal values are measured at their respective nominal VDD values.
‡ Reference frequency is a test clock driven on the XIN input during the device test mode and normal mode. In test mode, XIN can be driven
externally up to f(XTAL) = 130 MHz. If XIN is driven externally, XOUT is floating.
§ This is a series fundamental crystal with fO = 14.31818 MHz.


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