ICS889831 Datasheet, PDF (4/18 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-4 DIFFERENTIAL LVPECL-TO-LVPECL/ECL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS889831
LOW SKEW, 1-TO-4
DIFFERENTIAL LVPECL-TO-LVPECL/ECL FANOUT BUFFER
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V_CC
Negative Supply Voltage, V_EE
Inputs, V_I (LVPECL mode)
Inputs, V_I (ECL mode)
Outputs, I
O
Continuous Current
Surge Current
Input Current, IN, nIN
V_T Current, I_VT
Input Sink/Source, I_{REF_AC}
Operating Temperature Range, TA
4.6V (LVPECL mode, V_EE = 0) NOTE: Stresses beyond those listed under Absolute
-4.6V (ECL mode, V_CC = 0)
Maximum Ratings may cause permanent damage
-0.5V to V_CC + 0.5 V
to the device. These ratings are stress specifi-
0.5V to V_EE - 0.5V
cations only. Functional operation of product at
these conditions or any conditions beyond those
50mA
100mA
±50mA
listed in the DC Characteristics or AC Character-
istics is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods may
±100mA
affect product reliability.
± 0.5mA
-40°C to +85°C
Storage Temperature, T_STG
Package Thermal Impedance, θ_JA
(Junction-to-Ambient)
-65°C to 150°C
51.5°C/W (0 lfpm)
TABLE 4A. POWER SUPPLY DC CHARACTERISTICS, V_CC = 2.5V ± 5%, 3.3V ± 5%; V_EE = 0V
Symbol Parameter
Test Conditions
Minimum
V
Positive Supply Voltage
CC
I_EE
Power Supply Current
2.375
Typical
3.3
Maximum
3.465
60
Units
V
mA
TABLE
4B.
LVCMOS/LVTTL
DC
CHARACTERISTICS,
V
CC
=
2.5V
±
5%,
3.3V
±
5%;
V
EE
=
0V
Symbol Parameter
Test Conditions
Minimum Typical
V_IH
Input High Voltage
V_IL
Input Low Voltage
I_IH
Input High Current
I_IL
Input Low Current
V_CC = V_IN = 3.465V
V_CC = 3.465V, V_IN = 0V
2
0
-150
Maximum
V_CC + 0.3
0.8
5
Units
V
V
µA
µA
TABLE
4C.
DC
CHARACTERISTICS,
V
CC
=
2.5V
±
5%,
3.3V
±
5%;
V
EE
=
0V
Symbol Parameter
Test Conditions
R_IN
Differential Input Resistance (IN, nIN)
V
Input High Voltage
IH
(IN, nIN)
V_IL
Input Low Voltage
(IN, nIN)
V_IN
Input Voltage Swing
V_{REF_AC} Reference Voltage
V_{DIFF_IN} Differential Input Voltage Swing
I_IN
Input Current; NOTE 1
(IN, nIN)
NOTE 1: Guaranteed by design.
IN-to-VT
Minimum
40
1.2
0
0.15
V_CC - 1.42
0.3
Typical
50
V_CC - 1.37
Maximum
60
V
CC
V_IH - 0.15
2.8
V_CC - 1.32
3.4
35
Units
Ω
V
V
V
V
V
mA
889831AK
www.icst.com/products/hiperclocks.html
4
REV. A JUNE 16, 2005