SY89828LHG Micrel Inc, SY89828LHG Datasheet - Page 11

• Manufacturer Part Number: SY89828LHG
• Description: IC BUFFER DUAL 1:10 IVDS 64-TQFP
• Manufacturer: Micrel Inc
• Series: Precision Edge®r
• Type: Fanout Buffer (Distribution), Multiplexer , Translatorr

Specifications of SY89828LHG

• Number Of Circuits: 2
• Ratio - Input:output: 2:10
• Differential - Input:output: Yes/Yes
• Input: LVDS, PECL
• Output: LVDS
• Frequency - Max: 1GHz
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP Exposed Pad, 64-eTQFP, 64-HTQFP, 64-VQFP
• Frequency-max: 1GHz
• Clock Ic Type: Clock Buffer
• Frequency: 1GHz
• No. Of Outputs: 10
• Supply Current: 45mA
• Supply Voltage Range: 3V To 3.6V
• Digital Ic Case Style: TQFP
• No. Of Pins: 64
• Operating Temperature Range: -40°C To
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MicreL, Inc.
specifies a small swing of 350mV typical, on a nominal
1.25V common mode above ground. The common mode
voltage has tight limits to permit large variations in ground
M9999-012208
[e-mail] or [phone]
LVPECL/LVDS INPUTS
LVDS OUTPUTS
LVDS stands for Low Voltage Differential Swing. LVDS
/Q
Q
OUT
OUT
Figure 3. LVDS Differential Measurement
Figure 1. Simplified LVPECL Input Stage
Figure 5. Output Driver Signal Levels
/LVPECL_CLK
LVPECL_CLK
(Single-Ended)
v
OH
GND
5k
, v
GND
OL
V
CC
v
OH
5k
v
, v
OD
OL
100Ω
350mV
(typical)
11
between an LVDS driver and receiver. Also, change in
common mode voltage, as a function of data input, is also
kept tight, to keep EMI low.
/Q
Q
OUT
OUT
Figure 4. LVDS Common Mode Measurement
Figure 2. Simplified LVDS Input Stage
Figure 6. Output Driver Signal Levels
LVDS_CLK
/LVDS_CLK
1.9k
(Differential)
100Ω
1.4k
50Ω, ±1%
50Ω, ±1%
GND
V
CC
1.4k
750mV
Q
OUT
1.9k
GND
Precision Edge
– /Q
v
∆v
OCM
OCM
OUT
SY89828L
,
®