NOTE: Please contact IDT (see last page) if a different configuration is desired.
1/16/2017 Product Ordering Guide
Page 7
©2017 Integrated Device Technology, Inc.
Address CLK0 CLK1 Q0 Q1 Q2 Q3 GPIO0 GPIO1 GPIO2 GPIO3
N/A N/A N/A N/A
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
155.52 N/A N/A N/A
CN/+/on 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
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
-997
In
GPI
Out
LOL0b1101100
25Hz
In
GPI
In
GPI
I2C EEPROM
38.88 DIS DIS
25Hz
In In
DIS
EEPROM
38.88 DIS
In In
OE0 OE1 CSEL GPI
-994
I2C OTP
38.88 DIS
0b1101100
-993 DIS 25Hz
In InI2C
0b1101100
In
OE0 OE1 CSEL GPI
In
8T49N241
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
GPI0b1111100
25Hz
In
OE0
In
OE1
I2C EEPROM
38.88 DIS DIS-998
I2C OTP
38.88 DIS-999
In
CSEL
In
GPI0b1111100
DIS 25Hz
In
OE0
In
OE1
NOTE: Please contact IDT (see last page) if a different configuration is desired.
1/16/2017 Product Ordering Guide
Page 8
©2017 Integrated Device Technology, Inc.
Address CLK0 CLK1 Q0 Q1 Q2 Q3 GPIO0 GPIO1 GPIO2 GPIO3
N/A N/A N/A N/A
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
155.52 N/A N/A N/A
CN/+/on 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
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
N/A N/A N/A N/A
-/+/off -/+/off -/+/off -/+/off
1-Byte PLL PLL PLL PLL
0b1010000 N/A N/A N/A N/A
In
CSEL
In
GPI0b1111100
DIS 25Hz
In
OE0
In
OE1
-997
I2C EEPROM
38.88 DIS-998
In
GPI
Out
LOL0b1101100
25Hz
In
GPI
In
GPI
I2C EEPROM
38.88 DIS DIS
25Hz
In
DIS
DIS 25Hz
In
In In In
OE0 OE1 CSEL GPI
-993
I2C EEPROM
38.88 DIS
0b1101100
In In In
OE0 OE1 CSEL GPI
-006
I2C EEPROM
38.88 DIS
0b1111100
8T49N242
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)
-999
In
CSEL
In
GPI0b1101100
25Hz
In
OE0
In
OE1
I2C OTP
38.88 DIS DIS
NOTE: Please contact IDT (see last page) if a different configuration is desired.
1/16/2017 Product Ordering Guide
Page 9
©2017 Integrated Device Technology, Inc.
CLK0 CLK1 REF_IN Q0 Q1 Q0 Q1
PLL-A LoBW 25 25 40 Manual Pin D/off D/off 622.08 622.08
PLL-B LoBW 19.44 19.44 40 Manual Pin D/off D/off 644.53125 644.53125
PLL-A LoBW 2.048 2.048 40 Manual Pin D/off D/off 125 125
PLL-B LoBW 77.76 77.76 40 Manual Pin D/off D/off 125 125
PLL-A LoBW 120 120 40 Manual Pin D/off D/off 120 120
PLL-B LoBW 40 40 40 Manual Pin D/off D/off 180 180
PLL-A LoBW 40 40 40 Manual Pin
D/off D/off
180 180
PLL-B LoBW 120 120 40 Manual Pin
D/off D/off
120 120
PLL-A LoBW 25 25 40 Manual Pin
D/off D/off
622.08 622.08
PLL-B LoBW 19.44 19.44 40 Manual Pin
D/off D/off
644.53125 644.53125
8T49N244
Code
(ddd)
PLL-A LoBW
Input Frequency (MHz)
Switchover
Type
Switchover
Mode
Output Style / Power-up State
P = LVPECL, D = LVDS
-999
-005
Output Frequency (MHz)
-004
-001
-000

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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