NOTE: Please contact IDT (see last page) if a different configuration is desired.
1/16/2017 Product Ordering Guide
Page 4
©2017 Integrated Device Technology, Inc.
CLK0 CLK1 XTAL_IN Q0 Q1 Q0 Q1
0 0.008 0.008 40 P/on P/on 19.44 19.44
1 10 10 40 P/on P/on 155.52 155.52
0 100 100 n/a P/on P/on 100 100
1 133.3333333 133.3333333 n/a P/on P/on 133.3333333 133.3333333
0 19.44 19.44 25 D/on D/on 155.52 155.52
1 19.44 19.44 40 D/on D/on 155.52 155.52
0 14.318 14.318 40 P/on P/on 14.318 14.318
1 14.318 14.318 40 P/on P/on 14.318 14.318
0 10 10 40 P/on P/on 10 10
1 10 10 40 P/on P/on 10 10
0 19.44 19.44 38.88 P/on P/on 25 25
1 19.44 19.44 38.88 P/on P/on 125 125
0 19.44 19.44 38.88 P/on P/on 25 25
1 19.44 19.44 38.88 P/on P/on 156.25 156.25
0 25 25 25 D/on D/on 25 25
1 25 25 40 D/on D/on 25 25
0 103.125 103.125 25 P/on P/on
25 25
1 10.24 10.24 25 P/on P/on 10 10
0 0.008 0.008 40 P/off P/off 19.44 19.44
1 10 10 40 P/off P/off 155.52 155.52
-004 LoBW Automatic Revertive
Input Frequency (MHz)
CONFIG
Output Frequency (MHz)
Code
(ddd)
Mode
O
utput Style / Power-up State
P = LVPECL, D = LVDS
Switchover
Type
Switchover
Mode
Manual-
005 LoBW Pin
LoBW Manual Pin
-001 HiBW Automatic Non-Revertive
-000
-003 LoBW Manual Pin
-006 LoBW Manual Pin
-007 LoBW Manual Pin
-999 LoBW Manual Pin
-009 LoBW Automatic Revertive
-
010 LoB
W Manual Pin
NOTE: Please contact IDT (see last page) if a different configuration is desired.
1/16/2017 Product Ordering Guide
Page 5
©2017 Integrated Device Technology, Inc.
CLK0 CLK1 XTAL_IN Q0 Q1 Q0 Q1
-000 LoBW 25 25 40 Manual Pin P/on P/on 156.25 25
-001
LoBW 74.25 74.25 40 Manual Pin P/on P/on 148.5 74.25
-002 LoBW 19.44 19.
44 40 Manual Pin P/on P/on 622.08 155.52
-003 LoB
W 125 125 40 M
anual Pin P/on P/on 307.2 122.88
-004 LoB
W 38.88 38.88 25 Manual Pin D/on D/on 155.52 155.52
-100 H
iBW 25 25 n/a Manual Pin D/on D/on 100 100
-101
HiBW 25 25 n/a Manual Pin D/on D/on 125 125
-108
LoBW 122.88 122.88 25 Manual Pin D/on D/on 122.88 122.88
-109
SYNTH n/a n/a 25 Manual Pin D/on D/on 125 156.25
-110
HiBW 25 25 n/a Manual Pin D/on D/on 156.25 100
-121 SYNTH n/a n/a 40 Manual Pin D/on D/on 156.25 50
-122 LoB
W 10 10 40 Manual Pin
D/on D/on
1000 100
-123 LoBW 25 25 40 M
anual Pin
D/on D/on
125 156.25
-124 LoBW 10 10 40 M
anual Register
D/on D/on
925 92.5
-125
LoBW
10 10 40 Manual Register
D/on D/on
1000 100
-126
LoBW
25 25 38.88 Manual Pin
D/on D/on
100 133.3333333
-127
LoBW
10 10 18.432 Manual Register
D/on D/on
1000 100
-999
LoBW 25 25 40 Manual Pin
P/off P/off
156.25 25
8T49N222
Input Frequency (MHz) Output Frequency (MHz)
Code
(ddd)
Mode S
witchover Type Switchover Mode
Output Style / Power-up State
P = LVPECL, D = LVDS
NOTE: Please contact IDT (see last page) if a different configuration is desired.
1/16/2017 Product Ordering Guide
Page 6
©2017 Integrated Device Technology, Inc.
Address CLK0 CLK1 Q0 Q1 Q2 Q3 GPIO0 GPIO1 GPIO2 GPIO3
N/A N/A N/A N/A
P/+/off P/+/off P/+/off P/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
P/+/off P/+/off P/+/off P/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
P/+/off P/+/off P/+/off P/+/off
2-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
P/+/off P/+/off P/+/off P/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
P/+/off P/+/off P/+/off P/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
In
GPI0b1101100
-991 25Hz
In
OE0
In
OE1
In
CSEL
I2C EEPROM
49.152 DIS DIS
OE0 OE1 CSEL GPI
DIS 25Hz
In In In In
OE0 OE1 CSEL GPI
DIS 25Hz
In In In In
-990
I2C OTP
49.152 DIS
0b1110100
-984
I2C OTP
49.152 DIS
0b0110100
8T49N240
Code
(ddd)
Serial Port
Protocol
Boot Method
Crystal
Frequency
(MHz)
Input Frequency (MHz)
Locked Loop
Bandwidth
(Hz)
Output Frequency (MHz) GPIO Direction
Output Style (P = LVPECL, D=LVDS, CP = LVCMOS in-
phase, CN = LVCMOS out-of-phase)
Inversion (-) or non-inversion (+)
Power-up State
GPIO Function
GPIO = General Purpose I/O
OE = Output Enable input
CSEL = Clock Select input
LOSn, LOLn, HOLDn = Alarm output
Device
Address
EEPROM
Addressing
Frequency Source
Phase Delay (steps)
In
CSEL
In
GPI0b1101100
25Hz
In
OE0
In
OE1
I2C OTP
49.152 DIS DIS-994
I2C EEPROM
49.152 DIS-998
In
CSEL
In
GPI0b1101100
DIS 25Hz
In
OE0
In
OE1

8T49N244A-002ASGI8

Mfr. #:
Manufacturer:
IDT
Description:
Clock Generators & Support Products Femto NG Clock Generator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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