CI0084
1
43 GHz T-FF
Features
Maximum operating frequency: 43 GHz
Output amplitude: 0.9 Vpp
Single-ended clock input
General Description
The CI0084 is a dynamic T-type Flip Flop (T-FF) operating at rates from 20 GHz to 43
GHz. The I/O levels are SCFL (VH: 0.0 V, VL: -0.9 V). The IC is fabricated using a
0.1-m InP HEMT process. The CI0084 is provided in a hermetically-sealed package
with V-connectors.
Applications
Frequency Divider
Timing Chart
Functional Diagram
GD-01-1-60-42-121A
16 May 2002
PRELIMINARY
CKin
QT
QC
CKin
C
QT
QT
QC
QC
50
70
70
D
CI0084
2
Connection Table
No. NAME
FUNCTION
No. NAME
FUNCTION
1 NC No Internal Connection
8
QT
(1)
Signal Output (True)
2 NC No Internal Connection
9
QC
(1)
Signal Output (Complementary)
3 GND
Ground (0.0 V)
10 GND
Ground (0.0 V)
4 NC No Internal Connection
11 Vss Power Supply (-4.5 V)
5 CKin
Clock Input
12 NC No Internal Connection
6 NC No Internal Connection
13 NC No Internal Connection
7 GND
Ground (0.0 V)
14 GND
Ground (0.0 V)
Note
(1) Terminate unused output connectors to GND through 50-ohm resistors.
Connection Diagram (Top View)
QC
QT
NC
NC
NC
1
2
9
8
3
13
5
6
14
12
4
7
10
11
GND
GND
NC
GND
Vss
CK
in
GND
NC
NC
CI0084
CI0084
3
Absolute Maximum Ratings
SYMBOL PARAMETER
RATING
UNIT
VSS
Power Supply Voltage
-5.0 to +0.1
V
Vin
Applied Voltage Amplitude at Clock Input (CKin)
1.2 Vpp
Vinck
Applied Voltage at Clock Input (CKin)
-1.2 to +1.2
V
Vout
Applied Voltage at Signal Outputs (QT, QC)
TBD V
Tstor
Storage Temperature
TBD C
Tc
(1)
Case Temperature under Bias
TBD C
TBD: To Be Determined
Recommended Operating Conditions
SYMBOL PARAMETER MIN.
TYP.
MAX.
UNIT
VSS
Power Supply
-4.7 -4.5 -4.3 V
CKin
Clock Input Interface
DC coupling (see DC Characteristics) or
AC coupling (see AC Characteristics)
QT, QC
Signal Output Interface
DC coupling (see DC Characteristics) ,
Terminate to GND through 50
DC Characteristics
(Vss = -4.5 V, GND = 0.0 V, Tc
(1)
= 30 C)
SYMBOL PARAMETER MIN.
TYP.
MAX.
UNIT
ISS
Power Supply Current
240
TBD
mA
VOH
Output Voltage, High (QT, QC)
TBD 0.0 V
VOL
Output Voltage, Low (QT, QC)
-0.9
TBD
V
VIH
Input Voltage, High (CKin)
TBD 0.0 V
VIL
Input Voltage, Low (CKin)
-0.9
TBD
V
TBD: To Be Determined
Note
(1) Tc: Temperature at package base.
CI0084
4
AC Characteristics (43 GHz)
(Vss = -4.5 V, GND = 0.0 V)
Tc=30
C
SYMBOL PARAMETER
MIN. TYP. MAX.
UNIT
Vin
Clock Input Voltage Amplitude
TBD 0.9 Vpp
Vcenter
Clock Input Center Voltage
-0.5 0.5 V
f
MAX
Maximum Clock Frequency
43
GHz
f
MIN
Minimum Clock Frequency
20
GHz
Vamp
Output Voltage Amplitude
(QT, QC)
TBD 0.9 Vpp
tr
Output Rise Time (QT, QC)
20 - 80%
10
TBD ps
tf
Output Fall Time (QT, QC)
20 - 80%
10
TBD ps
TBD: To Be Determined
CI0084
5
Sample Waveforms (43 GHz)
Measurement Conditions
Vss = -4.5 V, Input Clock: 43 GHz
0.3 V
/
di
v
Input (CKin)
Output (QT)
Output (QC)
GND
GND
GND
20 ps/div
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