The SY100EL29V is a dual differential register with
differential data (inputs and outputs) and clock. The
registers are triggered by a positive transition of the
positive clock (CLK) input. A HIGH on the Reset (R
x
)
asynchronously resets the appropriate register so that
the Q outputs go LOW. A HIGH on the Set (S
x
)
asynchronously resets the appropriate register so that
the Q outputs go HIGH. The Set and Reset inputs cannot
both be HIGH simultaneously.
The differential input structures are clamped so that
the inputs of unused registers can be left open without
upsetting the bias network of the devices. The clamping
action will assert the /D and the /CLK sides of the inputs.
The noninverting input will pull down to V
EE
and the
inverting input will be biased around V
CC
/2. Because of
the edge-triggered flip-flop nature of the devices,
simultaneously opening both the clock and data inputs
will result in an output which reaches an unidentified but
valid state.
The fully differential design of the devices makes them
ideal for very high frequency applications where a
registered data path is necessary.
PIN NAMES
Pin
CLK, /CLK
D[0:1], /D[0:1]
Q[0:1], /Q[0:1]
R
0
, R
1
S
0
, S
1
V
BB
V
CC
V
EE
Function
Differential Clock Inputs
Differential Data Inputs
Differential Data Outputs
Reset Inputs
Set Inputs
V
BB
Reference Output
V
CC
V
EE
TRUTH TABLE
R
L
L
H
L
H
S
L
L
L
H
H
D
L
H
X
X
X
CLK
Z
Z
X
X
X
Q
L
H
L
H
Undef
/Q
H
L
H
L
Undef
NOTE:
Z = LOW-to-HIGH Transition
Precision Edge is a registered trademark of Micrel, Inc.
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
Rev.: E
Amendment: /0
1
Issue Date: March 2006
Micrel, Inc.
Precision Edge
®
SY100EL29V
PACKAGE/ORDERING INFORMATION
Ordering Information
(1)
Part Number
SY100EL29VZC
SY100EL29VZCTR
(2)
SY100EL29VZI
SY100EL29VZITR
(2)
SY100EL29VZG
(3)
SY100EL29VZGTR
(2, 3)
Package
Type
Z20-1
Z20-1
Z20-1
Z20-1
Z20-1
Z20-1
Operating
Range
Commercial
Commercial
Industrial
Industrial
Industrial
Industrial
Package
Marking
SY100EL29VZC
SY100EL29VZC
SY100EL29VZI
SY100EL29VZI
SY100EL29VZG with
Pb-Free bar-line indicator
SY100EL29VZG with
Pb-Free bar-line indicator
Lead
Finish
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Pb-Free
NiPdAu
Pb-Free
NiPdAu
Notes:
1. Contact factory for die availability. Dice are guaranteed at T
A
= 25°C, DC Electricals only.
2. Tape and Reel.
3. Pb-Free package is recommended for new designs.
R0 VCC Q0
20
19
Q
R
D
18
Q
S
CLK
Q0
17
S0
16
S1 VCC Q1
15
14
Q
S
D
13
Q
R
CLK
Q1 V
EE
12
11
1
D0
2
3
4
5
6
7
8
9
10
D0 CLK0 CLK0 VBB D1
D1 CLK1 CLK1 R1
20-Pin Wide SOIC (Z20-1)
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
Precision Edge
®
SY100EL29V
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
V
EE
V
IN(3)
I
OUT
Power Supply (V
CC
= 0V)
Input Voltage (V
CC
= 0V)
Output Current
–Continuous
–Surge
Lead Temperature (soldering, 20sec.)
Operating Temperature Range
Operating Range
(1),(2)
Rating
Value
–8.0 to 0
0 to –6.0
50
100
+260
–40 to +85
–5.7 to –3.0
Unit
VDC
VDC
mA
°C
°C
V
T
LEAD
T
A
V
EE
Notes:
1. Absolute maximum rating, beyond which, device life may be impaired, unless otherwise specified on an individual data sheet.
2. Parametric values specified at:
100EL29V Series: –3.0V to –5.5V.
3. In PECL mode operation, V
I
(Max) = V
CC
.
DC ELECTRICAL CHARACTERISTICS
V
EE
= –3.0V to +5.5V; V
CC
= GND
T
A
= –40
°
C
Symbol
I
EE
I
IH
I
IL
V
BB
Parameter
Power Supply Current
Input HIGH Current
Input LOW Current
/CLK, /Dn
Output Reference
Voltage
Min.
—
—
0.5
–300
–1.38
Max.
50
150
—
—
–1.26
T
A
= 0
°
C
Min.
—
—
0.5
–300
–1.38
Max.
50
150
—
—
–1.26
Min.
—
—
0.5
–300
–1.38
T
A
= +25
°
C
Typ.
30
—
—
—
—
Max.
50
150
—
—
–1.26
T
A
= +85
°
C
Min.
—
—
0.5
–300
–1.38
Max.
50
150
—
—
–1.26
Unit
mA
µA
µA
V
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
Precision Edge
®
SY100EL29V
AC ELECTRICAL CHARACTERISTICS
V
EE
= –3.0V to +5.5V; V
CC
= GND
T
A
= –40
°
C
Symbol
f
MAX
t
PD
t
S
t
H
t
RR
t
PW
V
CMR
Parameter
Max. Toggle Frequency
Propagation Delay
to Output
Set-Up Time, D
Hold Time, D
Reset Recovery Time
Minimum Pulse Width
CLK, Set, Reset
Common Mode Range
(1)
<500mV
≥500mV
Minimum Input Swing
(2)
Output Rise/Fall Time Q
(20–80%)
CLK
S, R
Min.
1.1
480
450
200
150
300
400
Max.
—
680
670
—
—
—
—
T
A
= 0
°
C
Min.
1.1
490
450
200
150
300
400
Max.
—
690
670
—
—
—
—
Min.
1.1
500
450
200
150
300
400
T
A
= +25
°
C
Typ.
—
—
—
—
—
—
—
Max.
—
700
670
—
—
—
—
T
A
= +85
°
C
Min.
1.1
520
450
200
150
300
400
Max.
—
720
670
—
—
—
—
Unit
GHz
ps
ps
ps
ps
ps
V
–2.0
–1.8
150
280
–0.4
–0.4
—
550
–2.1
–1.9
150
280
–0.4
–0.4
—
550
–2.1
–1.9
150
280
—
—
—
330
–0.4
–0.4
—
550
–2.1
–1.9
150
280
–0.4
–0.4
—
550
mV
ps
V
PP (AC)
t
r
t
f
Notes:
1. V
CMR
is referenced to the most positive side of the differential input signal. Normal operation is obtained when the input signals are within the V
CMR
range
and the input swing is greater than V
PP
(Min.) and <1V. The lower end of the V
CMR
range varies 1:1 with V
EE
. The numbers in the spec table assume
a nominal V
EE
= –3.3V. Note for PECL operation, the V
CMR
(Min) will be fixed at 3.3V – |V
CMR
(Min)|.
2. Minimum input swing for which AC parameters are guaranteed.
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
Precision Edge
®
SY100EL29V
20-PIN SOIC .300" WIDE (Z20-1)
Rev. 03
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131
TEL
USA
+ 1 (408) 944-0800
FAX
+ 1 (408) 474-1000
WEB
http://www.micrel.com
The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
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