Micrel, Inc.
5V/3.3V D FLIP-FLOP WITH RESET
AND DIFFERENTIAL CLOCK
ECL Pro
®
SY10EP51V
ECL Pro
®
SY10EP51V
FEATURES
■
■
■
■
■
3.3V and 5V power supply options
320ps typical propagation delay
Maximum frequency > 3GHz typical
75K
Ω
internal input pulldown resistor
Transistor count: 143
ECL Pro
®
DESCRIPTION
The SY10EP51V is a D flip-flop with reset and
differential clock. The device is pin and functionally
equivalent to the EL51 device.
The reset input is an asynchronous, level triggered
signal. Data enters the master portion of the flip-flop
when CLK is LOW and is transferred to the slave, and
thus the outputs, upon a positive transition of the CLK.
The differential clock inputs of the EP51V allow the device
to be used as a negative edge triggered flip-flop.
The differential input employs clamp circuitry to
maintain stability under open input conditions. When left
open, the CLK input will be pulled down to V
EE
and the
/CLK input will be biased a V
CC
/2.
■
Available in 8-Pin (3mmx3mm) MSOP, SOIC and
MLF
®
(2mmx2mm) packages
PIN NAMES
Pin
CLK, /CLK
RESET
D
Q, /Q
V
CC
V
EE
Function
ECL Clock Inputs
ECL Asynchronous Reset
ECL Data Input
ECL Data Outputs
Positive Supply
Negative, 0 Supply
TRUTH TABLE
D
L
H
X
RESET
L
L
H
CLK
Z
Z
X
Q
L
H
L
Z = LOW to HIGH Transition
ECL Pro is a registered trademark of Micrel, Inc.
M9999-060409
hbwhelp@micrel.com or (408) 955-1690
Rev.: E
Amendment: /0
1
Issue Date: June 2009
Micrel, Inc.
ECL Pro
®
SY10EP51V
PACKAGE/ORDERING INFORMATION
Ordering Information
(1)
RESET 1
D 2
CLK 3
/CLK 4
R
D
8 VCC
7 Q
6 /Q
5 VEE
Flip
Flop
Part Number
SY10EP51VKC
SY10EP51VKCTR
(2)
SY10EP51VZC
SY10EP51VZCTR
(2)
Package
Type
K8-1
K8-1
Z8-1
Z8-1
K8-1
K8-1
Z8-1
Z8-1
K8-1
K8-1
MLF-8
Z8-1
Z8-1
Operating
Range
Commercial
Commercial
Commercial
Commercial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Industrial
Package
Marking
HP51
HP51
HEP51V
HEP51V
HP51
HP51
HEP51V
HEP51V
HP51 with
Pb-Free bar-line indicator
HP51 with
Pb-Free bar-line indicator
H51 with
Pb-Free bar-line indicator
HEP51V with
Pb-Free bar-line indicator
HEP51V with
Pb-Free bar-line indicator
Lead
Finish
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
Pb-Free
NiPdAu
Pb-Free
NiPdAu
Pb-Free
NiPdAu
Pb-Free
NiPdAu
Pb-Free
NiPdAu
8-Pin SOIC and MSOP Packages
SY10EP51VKI
SY10EP51VKITR
(2)
SY10EP51VZI
SY10EP51VZITR
(2)
RESET
D
CLK
/CLK
1
2
3
4
8
7
6
5
VCC
Q
/Q
VEE
SY10EP51VKG
(3)
SY10EP51VKGTR
(2, 3)
SY10EP51VMGTR
(2, 3)
SY10EP51VZG
(3)
SY10EP51VZGTR
(2, 3)
8-Pin (2mmx2mm)
MLF
®
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.
M9999-060409
hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
ECL Pro
®
SY10EP51V
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
V
CC
— V
EE
V
IN
I
OUT
T
LEAD
T
A
T
store
θ
JA
Power Supply Voltage
Input Voltage (V
CC
= 0V, V
IN
not more negative than V
EE
)
Input Voltage (V
EE
= 0V, V
IN
not more positive than V
CC
)
Output Current
Lead Temperature (soldering, 20sec.)
Operating Temperature Range
Storage Temperature Range
Package Thermal Resistance
(Junction-to-Ambient)
–Still-Air (SOIC)
–500lfpm (SOIC)
–Still-Air (MSOP)
–500lfpm (MSOP)
–Still-Air (MLF
®
)
–500lfpm (MLF
®
)
θ
JC
Package Thermal Resistance
(Junction-to-Case)
(SOIC)
(MSOP)
(MLF
®
)
–Continuous
–Surge
Rating
Value
6V
–6.0 to 0
+6.0 to 0
50
100
+260
–40 to +85
–65 to +150
160
109
206
155
93
87
39
39
60
Unit
V
V
V
mA
°C
°C
°C
°C/W
°C/W
°C/W
°C/W
Note 1.
Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is not
implied at conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratlng conditions
for extended periods may affect device reliability.
5V PECL DC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= 5.0V, V
EE
= 0V
(2)
T
A
= –40
°
C
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
I
IH
I
IL
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
T
A
= +25
°
C
Max.
40
4115
3315
4115
3390
V
CC
150
—
Min.
—
3930
3050
3855
3130
2.0
—
0.5
Typ.
35
4055
3255
—
—
—
—
—
Max.
40
4180
3380
4180
3455
V
CC
150
—
Min.
—
3990
3050
3915
3190
2.0
—
0.5
T
A
= +85
°
C
Typ.
35
4115
3315
—
—
—
—
—
Max.
40
4240
3440
4240
3515
V
CC
150
—
Unit
mA
mV
mV
mV
mV
V
µA
µA
Parameter
Power Supply Current
(3)
Output HIGH Voltage
(4)
Outuput LOW Voltage
(4)
Input HIGH Voltage
(Single-Ended)
Input LOW Voltage
(Single-Ended)
Input HIGH Voltage
(5)
Common Mode Range
Input HIGH Current
Input LOW Current
Min.
—
3865
3050
3790
3065
2.0
—
0.5
Typ.
35
3990
3190
—
—
—
—
—
10EP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit
is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained.
Input and output parameters vary 1:1 with V
CC
. V
CC
can vary +0.25V to +0.5V.
V
CC
= 0V, V
EE
= V
EE
(min.) to V
EE
(max.), all other pins floating.
All loading with 50Ω to V
CC
–2.0V.
V
IHCMR
(min) varies 1:1 with V
EE
, V
IHCMR
(max) varies 1:1 with V
CC
. The V
IHCMR
range is referenced to the most positive side of the differential
input signal.
M9999-060409
hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
ECL Pro
®
SY10EP51V
3.3V LVPECL DC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= 3.3V, V
EE
= 0V
(2)
T
A
= –40
°
C
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
I
IH
I
IL
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
T
A
= +25
°
C
Max.
40
2415
1615
2415
1690
V
CC
150
—
Min.
—
2230
1350
2155
1430
2.0
—
0.5
Typ.
35
2355
1555
—
—
—
—
—
Max.
40
2480
1680
2480
1755
V
CC
150
—
Min.
—
2290
1350
2215
1490
2.0
—
0.5
T
A
= +85
°
C
Typ.
35
2415
1615
—
—
—
—
—
Max.
40
2540
1740
2540
1815
V
CC
150
—
Unit
mA
mV
mV
mV
mV
V
µA
µA
Parameter
Power Supply Current
(3)
Output HIGH Voltage
(4)
Outuput LOW Voltage
(4)
Input HIGH Voltage
(Single-Ended)
Input LOW Voltage
(Single-Ended)
Input HIGH Voltage
(5)
Common Mode Range (Diff.)
Input HIGH Current
Input LOW Current
Min.
—
2165
1350
2090
1365
2.0
—
0.5
Typ.
35
2290
1490
—
—
—
—
—
10EP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit
is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained.
Input and output parameters vary 1:1 with V
CC
. V
CC
can vary –0.3V to +0.5V.
V
CC
= 0V, V
EE
= V
EE
(min.) to V
EE
(max.), all other pins floating.
All loading with 50Ω to V
CC
–2.0V.
V
IHCMR
(min) varies 1:1 with V
EE
, V
IHCMR
(max) varies 1:1 with V
CC
. The V
IHCMR
range is referenced to the most positive side of the differential
input signal.
NECL/LVECL DC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= 0V, V
EE
= –5.5V to –3.0V
T
A
= –40
°
C
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
I
IH
I
IL
Note 1.
Note 2.
Note 3.
Note 4.
T
A
= +25
°
C
Min.
—
–1070
–1950
–1145
–1870
Typ.
35
–0945
–1745
—
—
Max.
40
–0820
–1620
–0820
–1545
0.0
150
—
Min.
—
–1010
–1950
–1085
–1810
40
T
A
= +85
°
C
Typ.
35
–0885
–1685
—
—
Max.
40
–0760
–1560
–0760
–1485
0.0
150
—
Unit
mA
mV
mV
mV
mV
V
µA
µA
Parameter
Power Supply Current
(2)
Output HIGH Voltage
(3)
Outuput LOW Voltage
(3)
Input HIGH Voltage
Input LOW Voltage
Input HIGH Voltage
Common Mode Range
(4)
Input HIGH Current
Input LOW Current
Min.
—
–1135
–1950
–1210
–1935
Typ.
35
–1010
–1810
—
—
Max.
–0885
–1685
–0885
–1610
0.0
150
—
V
EE
+2.0
—
0.5
—
—
V
EE
+2.0
—
0.5
—
—
V
EE
+2.0
—
0.5
—
—
10EP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit
is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained.
V
CC
= 0V, V
EE
= V
EE
(min) to V
EE
(max), all other pins floating.
All loading with 50Ω to V
CC
–2.0V.
V
IHCMR
min varies 1:1 with V
EE
, max varies 1:1 with V
CC
.
M9999-060409
hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
ECL Pro
®
SY10EP51V
AC ELECTRICAL CHARACTERISTICS
V
CC
= 0V, V
EE
= –3.0V to –5.5V; V
CC
= 3.0V to 5.5V, V
EE
= 0V
(1)
T
A
= –40
°
C
Symbol
f
MAX
t
PLH
t
PHL
t
RR
t
S
t
H
t
PW
t
r
t
f
Note 1.
Note 2.
T
A
= +25
°
C
Max.
—
350
450
—
—
—
—
170
Min.
3
270
210
150
100
100
500
80
Typ.
—
320
320
—
80
40
440
130
Max.
—
370
475
—
—
—
—
180
Min.
3
300
280
150
100
100
500
100
T
A
= +85
°
C
Typ.
—
350
320
—
—
—
440
150
Max.
—
420
500
—
—
—
—
200
ps
ps
ps
ps
ps
Unit
GHz
ps
Parameter
Maximum Toggle Frequency
(2)
Propagation Delay to Output
Differential CLK, /CLK
➝
Q, /Q
RESET
➝
Q, /Q
Reset Recovery
Setup Time
Hold Time
Minimum Pulse Width RESET
Output Rise/Fall Times
(20% to 80%)
Q, /Q
Min.
3
250
260
150
100
100
500
70
Typ.
—
300
310
—
—
—
440
120
Measured using 750mV source, 50% duty cycle clock source. All loading with 50Ω to V
CC
–2.0V.
f
MAX
guaranteed for functionality only. V
OL
and V
OH
levels are guaranteed at DC only.
TIMING DIAGRAMS
CLK
tH
50%
DATA
tS
50%
RESET
tPW
tRR
Q
50%
tPLH
50%
tPHL
M9999-060409
hbwhelp@micrel.com or (408) 955-1690
5
