SY58029UMITR Micrel Inc, SY58029UMITR Datasheet - Page 2

• Manufacturer Part Number: SY58029UMITR
• Manufacturer: Micrel Inc
• Type: Clock Multiplexerr

Specifications of SY58029UMITR

• Number Of Clock Inputs: 4
• Mode Of Operation: Differential
• Output Logic Level: LVPECL
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Package Type: MLF
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: CML/LVDS/LVPECL
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Not Compliant

Micrel, Inc.
M9999-082707
[e-mail] or [phone]
VREF-AC0
VREF-AC1
PACKAGE/ORDERING INFORMATION
PIN DESCRIPTION
TRUTH TABLE
Pin Number
SEL1
2, 6, 26, 30
3, 7, 27, 31
10, 13, 16
17, 20, 23
VT0
/IN0
VT1
/IN1
IN0
IN1
0
0
1
1
32-Pin MLF
25, 28
29, 32
15, 18
14, 19
11, 12
21, 22
9, 24
1, 4
5, 8
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
SEL0
®
0
1
0
1
(MLF-32)
Exposed Pad
SEL0, SEL1
VREF-AC0
VREF-AC1
VREF-AC2
VREF-AC3
Pin Name
VT0, VT1
VT2, VT3
IN0, /IN0
IN1, /IN1
IN2, /IN2
IN3, /IN3
/Q0, Q0
/Q1, Q1
GND,
VCC
NC
24
23
22
21
20
19
18
17
GND
VCC
Q1
/Q1
VCC
NC
SEL1
VCC
IN0 Input Selected
IN1 Input Selected
IN2 Input Selected
IN3 Input Selected
Pin Function
Differential Input: Each pair accepts AC- or DC-coupled signals as small as 100mV.
Each pin of a pair internally terminates to a V
V
Please refer to the “Input Interface Applications” section for more details.
Input Termination Center-Tap: Each side of the differential input pair terminates to a V
pin. The V
interface flexibility. See “Input Interface Applications” section for more details.
that this input is internally connected to a 25ký pull-up resistor and will default to a logic
HIGH state if left open. Input logic threshold is V
No Connect.
Positive Power Supply: Bypass with 0.1µF™ℑ0.01µF low ESR capacitors.
floating. See “Output Interface” for terminating guidelines.
Ground. Ground pin and exposed pad must be connected to the same ground plane.
Reference Voltage: This reference output is equivalent to V
AC-coupled inputs. When interfacing to AC input signals, connect V
V
tions” section. Maximum sink/source current is 0.5mA.
inputs will default to an indeterminate state if left open. If an input is not used, connect one
end of the differential pairs to ground through a 1ký resistor, and leave the other end to
This Single-Ended TTL/CMOS compatible input selects the inputs to the multiplexer. Note
Differential Outputs: These 100k compatible (internally temperature compensated)
LVPECL output pairs are copies of the selected input. Unused output pins may be left
CC
T
Ordering Information
Notes:
1. Contact factory for die availability. Dice are guaranteed at T
2. Tape and Reel.
3. Pb-Free package recommended for new designs.
pin and bypass with 0.01µF low ESR capacitor to V
Part Number
SY58029UMI
SY58029UMITR
SY58029UMG
SY58029UMGTR
through a 825ý resistor. Unused V
T
pin provides a center-tap to the termination network for maximum
(3)
(2)
(2, 3)
2
Package
MLF-32
MLF-32
MLF-32
MLF-32
Type
(1)
T
and V
Operating
Industrial
Industrial
Industrial
Industrial
Range
T
REF-AC
pin through 50ý. Note that these
CC
/2. See “Truth Table” for select control.
pins may also be left floating.
CC
Pb-Free bar-line indicator
Pb-Free bar-line indicator
. See “Input Interface Applica-
A
CC
SY58029U with
SY58029U with
= 25°C, DC electricals only.
SY58029U
SY58029U
–1.4V. It is used for
Package
Marking
REF-AC
directly to the
Precision Edge
SY58029U
Pb-Free
Pb-Free
NiPdAu
NiPdAu
Finish
Sn-Pb
Sn-Pb
Lead
T
®