
ICS87946AYI REVISION B JUNE 22, 2012
3
2012 Integrated Device Technology, Inc.
ICS87946I Data Sheet
LOW SKEW, ÷1, ÷2 LVCMOS/LVTTL CLOCK GENERATOR
Table 3. Function Table
Absolute Maximum Ratings
NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device.
These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond
those listed in the DC Characteristics or AC Characteristics is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect product reliability.
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, VDD = VDDX = 3.3V ± 0.3V, TA = -40°C to 85°C
NOTE 1: VDDX denotes VDDA, VDDB, VDDC.
Inputs
Outputs
MR/nOE
DIV_SELA
DIV_SELB
DIV_SELC
QA0:QA2
QB0:QB2
QC0:QC3
1
X
High-Impedance
00
X
fIN/1
Active
01
X
fIN/2
Active
0X
0
X
Active
fIN/1
Active
0X
1
X
Active
fIN/2
Active
0
X
0
Active
fIN/1
0
X
1
Active
fIN/2
Item
Rating
Supply Voltage, VDD
4.6V
Inputs, VDD
-0.5V to VDD + 0.5V
Outputs, VDD
-0.5V to VDDX+ 0.5V
Package Thermal Impedance,
θ
JA
47.9
°C/W (0 lfpm)
Storage Temperature, TSTG
-65
°C to 150°C
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
VDD
Positive Supply Voltage
3.0
3.3
3.6
V
VDDX
Output Supply Voltage; NOTE 1
3.0
3.3
3.6
V
IDD
Power Supply Current
85
mA