The SY10/100E452 are 5-bit differential registers 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 Master Reset
(MR) asynchronously resets all registers so that the Q
outputs go LOW.
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.
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.
s
Available in 28-pin PLCC package
BLOCK DIAGRAM
D
0
D
0
D
Q
R
D
1
D
1
Q
0
Q
0
PIN NAMES
Pin
D [0:4], /D [0:4]
MR
CLK, /CLK
V
BB
Function
Differential Data Inputs
Master Reset Input
Differential Clock Input
V
BB
Reference Output
Differential Data Outputs
V
CC
to Output
D
Q
R
Q
1
Q
1
Q [0:4], Q [0:4]
V
CCO
D
2
D
2
D
Q
R
Q
2
Q
2
D
3
D
3
D
Q
R
Q
3
Q
3
D
4
D
4
CLK
CLK
MR
V
BB
D
Q
R
Q
4
Q
4
M9999-032206
hbwhelp@micrel.com or (408) 955-1690
Rev.: F
Amendment: /0
1
Issue Date: March 2006
Micrel, Inc.
SY10E452
SY100E452
PACKAGE/ORDERING INFORMATION
V
CCO
Q
4
Q
4
Ordering Information
(1)
Part Number
Package
Type
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
J28-1
Operating
Range
Industrial
Industrial
Industrial
Industrial
Commercial
Commercial
Commercial
Commercial
Industiral
Industrial
Industrial
Industrial
Package
Marking
SY10E452JI
SY10E452JI
SY100E452JI
SY100E452JI
SY10E452JC
SY10E452JC
SY100E452JC
SY100E452JC
SY10E452JY with
Pb-Free bar-line indicator
SY10E452JY with
Pb-Free bar-line indicator
SY100E452JY with
Pb-Free bar-line indicator
SY100E452JY with
Pb-Free bar-line indicator
Lead
Finish
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Matte-Sn
Matte-Sn
Matte-Sn
Matte-Sn
D
3
D
3
25 24 23 22 21 20 19
D
4
D
4
SY10E452JI
18
17
MR
CLK
CLK
V
EE
V
BB
D
2
D
2
26
27
28
1
2
3
4
5
6
7
8
9
10 11
Q
3
Q
3
V
CC
Q
2
Q
2
Q
1
Q
1
SY10E452JITR
(2)
SY100E452JI
SY100E452JITR
(2)
SY10E452JC
SY10E452JCTR
(2)
SY100E452JC
SY100E452JCTR
(2)
SY10E452JY
(3)
SY10E452JYTR
(2, 3)
SY100E452JY
(3)
SY100E452JYTR
(2, 3)
TOP VIEW
PLCC
J28-1
16
15
14
13
12
D
1
D
0
V
CCO
Q
0
D
1
D
0
28-Pin PLCC (J28-1)
Q
0
Notes:
1. Contact factory for die availability. Dice are guaranteed at T
A
= 25°C, DC electricals only.
2. Tape and Reel.
M9999-032206
hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
SY10E452
SY100E452
DC ELECTRICAL CHARACTERISTICS
V
EE
= V
EE
(Min.) to V
EE
(Max.); V
CC
= V
CCO
= GND
T
A
= -40
°
C
Symbol
V
BB
I
IH
I
EE
V
CMR
Parameter
Output Reference
Voltage
Input HIGH Current
Power Supply
Current
10E
100E
Min.
10E -1.43
100E -1.38
—
—
—
-2.0
Typ.
—
—
—
74
74
—
Max.
-1.30
-1.26
150
89
89
-0.4
Min.
-1.38
-1.38
—
—
—
-2.0
T
A
= 0
°
C
Typ.
—
—
—
74
74
—
Max.
-1.27
-1.26
150
89
89
-0.4
T
A
= +25
°
C
Min.
-1.35
-1.38
—
—
—
-2.0
Typ.
—
—
—
74
74
—
Max.
-1.25
-1.26
150
89
89
-0.4
Min.
-1.31
-1.38
—
—
—
-2.0
T
A
= +85
°
C
Typ.
—
—
—
74
85
—
Max.
-1.19
-1.26
150
89
102
-0.4
Unit
V
µA
mA
V
Common Mode Range
(1)
Note:
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.
AC ELECTRICAL CHARACTERISTICS
V
EE
= V
EE
(Min.) to V
EE
(Max.); V
CC
= V
CCO
= GND
T
A
= -40
°
C
Symbol
f
MAX
t
PD
Parameter
Max. Toggle Frequency
Propagation Delay to
Output
CLK (Diff)
CLK (SE)
MR
Set-up Time, D
Hold Time, D
Reset Recovery Time
Minimum Pulse Width
CLK
MR
Within-Device Skew
(1)
Minimum Input Swing
(2)
Rise/Fall Time
20–80%
Min.
1000
425
375
375
175
225
750
400
400
—
150
250
Typ.
1400
600
600
625
–50
50
450
—
—
50
—
475
Max.
—
850
900
900
—
—
—
—
—
—
—
725
Min.
1100
475
425
425
150
200
700
400
400
—
150
275
T
A
= 0
°
C
Typ.
1400
600
600
625
–50
50
450
—
—
50
—
475
Max.
—
800
850
850
—
—
—
—
—
—
—
675
T
A
= +25
°
C
Min.
1100
475
425
425
150
200
700
400
400
—
150
275
Typ.
1400
600
600
625
–50
50
450
—
—
50
—
475
Max.
—
800
850
850
—
—
—
—
—
—
—
675
T
A
= +85
°
C
Min.
1100
475
425
425
150
200
700
400
400
—
150
275
Typ.
1400
600
600
625
–50
50
450
—
—
50
—
475
Max. Unit
—
800
850
850
—
—
—
—
—
—
—
675
ps
mV
ps
ps
ps
ps
ps
MHz
ps
t
S
t
H
t
RR
t
PW
t
skew
V
PP (AC)
t
r
t
f
Notes:
1. Within-device skew is defined as identical transitions on similar paths through a device.
2. Minimum input swing for which AC parameters are guaranteed.
M9999-032206
hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
SY10E452
SY100E452
28-PIN PLCC (J28-1)
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 data sheet 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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