ICS93776AFT IDT, Integrated Device Technology Inc, ICS93776AFT Datasheet

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ICS93776AFT

Manufacturer Part Number
ICS93776AFT
Description
IC DDR PLL ZD BUFFER 28-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Zero Delay Bufferr
Datasheet

Specifications of ICS93776AFT

Input
Clock
Output
Clock
Frequency - Max
340MHz
Voltage - Supply
2.3 V ~ 2.7 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-SSOP
Frequency-max
340MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
93776AFT
Recommended Application:
DDR Zero Delay Clock Buffer
Product Description/Features:
Switching Characteristics:
Block Diagram
CLK_INT
CLK_INC
0793A—03/08/05
ADVANCE INFORMATION documents contain information on products in the formative or design phase development. Characteristic data and other specifications are design goals.
ICS reserves the right to change or discontinue these products without notice. Third party brands and names are the property of their respective owners.
Low Cost DDR Phase Lock Loop Zero Delay Buffer
FB_INC
FB_INT
SD
SDA A T T A A
SCLK
SCLK
Low skew, low jitter PLL clock driver
Max frequency supported = 266MHz (DDR 533)
I
Feedback pins for input to output synchronization
Spread Spectrum tolerant inputs
3.3V tolerant CLK_INT/C input
CYCLE - CYCLE jitter: <100ps
OUTPUT - OUTPUT skew: <100ps
DUTY CYCLE: 48% - 52%
2
C for functional and output control
Control
Control
Logic
Logic
PLL
PLL
Integrated
Circuit
Systems, Inc.
FB_OUTT
FB_OUTC
DDRT0
DDRT0
DDRC0
DDRC0
DDRT1
DDRT1
DDRC1
DDRC1
DDRT2
DDRT2
DDRC2
DDRC2
DDRT4
DDRT4
DDRC4
DDRC4
DDRT5
DDRT5
DDRC5
DDRC5
DDRT3
DDRT3
DDRC3
DDRC3
Functionality
A
n (
n (
2
2
V
5 .
5 .
o
o
D
CLK_INC
m
m
CLK_INT
V
V
D
N I
DDRC0
DDRC1
DDRC2 14
)
)
DDRT0
DDRT1
DDRT2 13
VDDA 10
SCLK
P
C
GND
GND 11
VDD
VDD 12
U
L
T
K
S
H
L
_
N I
Pin Configuration
T
1
2
3
4
5
6
7
8
9
28-Pin 209mil SSOP
C
L
H
L
K
T
O
C
U
L
H
L
T
K
P
C
U
F
T
ICS93776
B
S
_
O
H
L
U
28 GND
27 DDRC5
26 DDRT5
25 DDRC4
24 DDRT4
23 VDD
22 SDATA
21 FB_INC
20 FB_INT
19 FB_OUTT
18 FB_OUTC
17 DDRT3
16 DDRC3
15 GND
T
T
P
L
L
o
o
S
n
n
a t
e t

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ICS93776AFT Summary of contents

Page 1

Integrated Circuit Systems, Inc. Low Cost DDR Phase Lock Loop Zero Delay Buffer Recommended Application: DDR Zero Delay Clock Buffer Product Description/Features: • Low skew, low jitter PLL clock driver • Max frequency supported = 266MHz (DDR 533) 2 • ...

Page 2

ICS93776 Pin Descriptions PIN # PIN NAME PIN TYPE DESCRIPTION 1 DDRC0 OUT 2 DDRT0 OUT 3 VDD PWR 4 DDRT1 OUT 5 DDRC1 OUT 6 GND PWR 7 SCLK IN 8 CLK_INT IN 9 CLK_INC IN 10 VDDA PWR ...

Page 3

Absolute Maximum Ratings Supply Voltage (VDD & AVDD -0.5V to 3.6V Logic Inputs . . . . . . . . . . . . . . . . . ...

Page 4

ICS93776 Timing Requirements 70°C; Supply Voltage PARAMETER SYMBOL 1 Operating Clock Frequency 1 Input Clock Duty Cycle 1 Clock Stabilization 1. Guaranteed by design, not 100% tested in production. Switching Characteristics T = ...

Page 5

General SMBus serial interface information How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address D4 • ICS clock will acknowledge • Controller (host) sends the begining byte location = N • ICS ...

Page 6

ICS93776 Bytes are reseved power up default = 1. This allows operation with main clock. BYTE Affected Pin 0 Pin # Name Bit DDR0(T&C) Bit DDR1(T&C) Bit Bit ...

Page 7

INDEX INDEX AREA AREA 209 mil SSOP Ordering Information ICS93776yFLF-T Example: ICS XXXX y F LF- T 0793A—03/08/05 c SYMBOL ...

Page 8

ICS93776 Revision History Rev. Issue Date Description N/A 8/12/2004 Updated I2c N/A 8/20/2004 Updated I2c 0793A—03/08/05 8 Page # 6 6 ...

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