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8T349316NLGI

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
2.5V LVDS 1:16 CLOCK FANOUT BUFFER 4 REVISION 2 11/2/14
8T349316 DATASHEET
Logic Truth Tables
Table 3A: Input Signal Source Select
1
1. Asynchronous control.
SEL Input Selection
0A2
1A1
Table 3B. Device Power-down control
1
1. Asynchronous control.
nPD Power-down Operation
0
Power-down mode of the entire device. Input and outputs disable and the output
voltage is V
DD
(for each Q1, nQ1 to Q16, nQ16 pair)
2
2. Disable outputs by setting nG1 = nG2 = 1 before entering power-down mode and while in
power-down mode. To enter normal device operation, first enable the outputs by setting
nG1 = nG2 = 0 before setting nPD = 1.
1 Normal 0peration
Table 3C. Output Q[1:8] Enable Control
1
1. Asynchronous controls.
GL nG1 Q1 to Q8 Output State
X 0 Enabled (active)
0 1 Disabled, output state is logic low (Q[1:8] = L, nQ[1:8] = H)
1 1 Disabled, output state is logic high (Q[1:8] = H, nQ[1:8] = L)
Table 3D. Output Q[9:16] Enable Control
1
1. Asynchronous controls.
GL nG2 Q9 to Q16 Output State
X 0 Enabled (active)
0 1 Disabled, output state is logic low (Q[9:16] = L, nQ[9:16] = H)
1 1 Disabled, output state is logic high (Q[9:16] = H, nQ[9:16] = L)
REVISION 2 11/2/14 5 2.5V LVDS 1:16 CLOCK FANOUT BUFFER
8T349316 DATASHEET
Absolute Maximum Ratings
NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress
specifications only. Functional operation of the product at these conditions or any conditions beyond those listed in the DC Characteristics or
AC Characteristics is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.
Supply Voltage, V
DD
-0.5V to 3.6V
Input Voltage -0.5V to 3.6V
Output Voltage -0.5V to V
DD
+ 0.5V and <3.6V
Outputs, I
O
(LVDS)
Continuous Current
Surge Current
10mA
15mA
Storage Temperature -65°C to 150°C
Thermal Junction Temperature, T
J
125C
Supply Voltage, V
DD
2.3 2.5 2.7 V
Ambient Temperature -40 +85 °C
Table 4. Absolute Maximum Ratings
Item Rating
Table 5. Recommended Operating Range
Item Minimum Typical Maximum Units
2.5V LVDS 1:16 CLOCK FANOUT BUFFER 6 REVISION 2 11/2/14
8T349316 DATASHEET
DC Electrical Characteristics
Table 6A. Power Supply DC Characteristics, V
DD
= 2.5V±10%, T
A
= -40°C to +85°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
DD
Core Supply Voltage 2.3 2.5 2.7 V
I
DD
Core and Output
Power Supply Current
V
DD
= 2.7V, f
REF
= 1GHz 360 mA
I
DDQ
Core and Output
Power Supply Current
V
DD
= Maximum, A1, nA1 and A2, nA2 at
Logic Low Level, Q[1:16] outputs Enabled
350 mA
I
DD, PD
Power-down Core and Output
Power Supply Current
nPD = 0 5 mA
Table 6B. LVCMOS/LVTTL DC Characteristics, V
DD
= 2.5V ±10%, T
A
= -40°C to +85°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
I
IH
Input
High Voltage
nPD, nG1, nG2, GL V
DD
= 2.7V 150 µA
I
IL
Input
Low Voltage
nPD, nG1, nG2, GL V
DD
= 2.7V -10 µA
V
IH
DC Input
High
nPD, nG1, nG2, GL 1.7
3.6 V
V
IL
DC Input Low nPD, nG1, nG2, GL -0.3 0.7 V
Table 6C. Differential Input DC Characteristics, V
DD
= 2.5V ±10%, T
A
= -40°C to +85°C
1
1. V
IL
should not be less than -0.3V.
Symbol Parameter Test Conditions Minimum Typical Maximum Units
I
IH
Input
High Voltage
A1, nA1, A2, nA2 V
DD
= 2.7V 150 µA
I
IL
Input
Low Voltage
A1, nA1, A2, nA2 V
DD
= 2.7V -10 µA
V
PP
Peak-to-Peak Voltage
1
0.15 3.6 V
V
CMR
Common Mode Input Voltage
1, 2
2. Common mode input voltage is defined at the crosspoint.
0.5 V
DD
V
Table 6D. LVDS DC Characteristics, V
DD
= 2.5V±10%, T
A
= -40°C to +85°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
OD
Differential Output Voltage 247 454 mV
V
OD
V
OD
Magnitude Change 50 mV
V
OS
Offset Voltage 1.125 1.2 1.375 V
V
OS
V
OS
Magnitude Change 50 mV
IOS Outputs Short Circuit Current Q
X
and nQ
X
= 0V 12 24 mA
IOSD
Differential Outputs
Short Circuit Current
Q
X
= nQ
X
612mA
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

8T349316NLGI

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Manufacturer:
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Description:
Clock Drivers & Distribution 2.5V LVDS 1:16 Clock Fanout Buffer
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