ICS345 Datasheet, PDF (5/7 Pages) Integrated Circuit Systems – Triple PLL Field Programmable SS VersaClock Synthesizer

ICS345
Triple PLL Field Programmable SS VersaClock Synthesizer
Recommended Operation Conditions
Parameter
Ambient Operating Temperature (ICS345RP)
Ambient Operating Temperature (ICS345RIP)
Power Supply Voltage (measured in respect to GND)
Power Supply Ramp Time
Min.
0
-40
+3.15
Typ.
+3.3
Max.
+70
+85
+3.45
4
Units
°C
°C
V
ms
DC Electrical Characteristics
Unless stated otherwise, VDD = 3.3V ±5%, Ambient Temperature -40 to +85°C
Parameter
Symbol
Conditions
Min.
Operating Voltage
VDD
3.15
Configuration Dependent -
See VersaClock^TM
Estimates
Operating Supply Current IDD _{Nine 33.3333 MHz outs,}
Input High Voltage
PDTS = 1, no load, Note 1
PDTS = 0, no load, Note 1
Input High Voltage
V_IH S2:S0
2
Input Low Voltage
V_IL S2:S0
Input High Voltage, PDTS V_IH
VDD-0.5
Input Low Voltage, PDTS V_IL
Input High Voltage
V_IH ICLK
VDD/2+1
Input Low Voltage
V_IL ICLK
Output High Voltage
(CMOS High)
V_OH I_OH = -4 mA
VDD-0.4
Output High Voltage
V_OH I_OH = -12 mA
2.4
Output Low Voltage
V_OL I_OL = 12 mA
Short Circuit Current
I_OS
Nominal Output
Z_O
Impedance
Internal pull-up resistor
Internal pull-down
resistor
R_PUS
R_PD
S2:S0, PDTS
CLK outputs
Input Capacitance
C_IN Inputs
Typ.
23
20
±70
20
250
525
4
Max.
3.45
Units
V
mA
mA
µA
V
0.4
V
V
0.4
V
V
VDD/2-1 V
V
V
0.4
V
mA
Ω
kΩ
kΩ
pF
Note 1: Example with 25 MHz crystal input with nine outputs of 33.3 MHz, no load, and VDD = 3.3 V.
MDS 345 D
5
Revision 090704
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel [phone] ● www.icst.com