ICS87974I Datasheet, PDF (15/16 Pages) Integrated Device Technology – Fully integrated PLL

ICS87974I
LOW SKEW, 1-TO-15,
LVCMOS/LVTTL CLOCK GENERATOR
REVISION HISTORY SHEET
Rev Table
Page
Description of Change
A
10 & 11 Added Layout Guideline and PCB Board Layout.
Date
4/2/02
A
T7
A
T1
T4A
B
T2
B
T3E
T2
B
3
Added simplified block diagram.
12 Revised Package Outline drawing. Corrected Package Dimensions table to
correspond with the Package Outline drawing.
Update format throughout datasheet.
4
Pin Description table - updated nMR/OE and V_DDOx pin descriptions.
6
3V Power Supply table - changed V_DD parameter to "Core..." from "Positive...".
Changed I_DD max. limit from 105mA max. to 118mA max.,
and I_DDOx from 20mA max. to 22mA max.
5
Pin Characteristics Table - changed C_IN 8pF max. to 4pF typical.
5 FB Select Function Table - switched FB_SELx headings,
FB_SEL1 heading is in column 1, FB_SEL0 heading is in column 2.
5
Pin Characteristics Table - added R_OUT, Output Impedance row.
12 Revised Package Outline.
Change from die rev. A to B on part marking throughout data sheet.
4/4/02
11/15/02
3/20/03
5/15/03
7/9/03
Change max. temperature to 70°C down from 85°C throughout data sheet.
C
T4A
D
T4A
6 Power Supply DC Characteristics table - adjusted:
V_DDA from 3.135V min. to 2.9375V min.,
I_DD from 118mA max. to 125mA max., and
I_DDOX from 22mA max. to 25mA max.
7/23/03
Through out the data sheet the maximum temperature was changed from 70°C to
85°C.
6
Power Supply DC Characteristics Table - I_DD changed from 125mA max. to
121mA max. and I_DDOx changed from 25mA max. to 24mA max.
8/4/03
2 & 3 Swaped labels for FB_SEL0 and FB_SEL1 in the Block Diagram and Simplified
D
Block Diagram.
2/9/04
D
T3E
5 Corrected FB Select Function Table.
6/9/04
D
T8
D
T8
E
T8
13 Ordering Information Table - added Lead-Free part number.
9 Added Recommendations for Unused Input and Output Pins.
14 Ordering Information Table - part number and order number is now a
revision C. Corrected lead-free part number and marking, and added lead-free
note.
Updated datasheet's header/footer with IDT from ICS.
14 Removed ICS prefix from Part/Order Number column.
16 Added Contact Page.
10/11/04
1/19/06
7/26/10
87974CYI
www.idt.com
15
REV. E JULY 26, 2010