ICS345
TRIPLE PLL FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
EPROM CLOCK 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.
Max.
+70
+85
Units
°
C
°
C
V
ms
+3.3
+3.45
4
DC Electrical Characteristics
Unless stated otherwise,
VDD = 3.3 V ±5%,
Ambient Temperature -40 to +85° C
Parameter
Operating Voltage
Operating Supply Current
Input High Voltage
Symbol
VDD
IDD
Conditions
Configuration Dependent -
See VersaClock
TM
Estimates
Nine 33.3333 MHz outs,
PDTS = 1, no load, Note 1
Min.
3.15
Typ.
Max.
3.45
Units
V
mA
23
20
2
0.4
VDD-0.5
0.4
mA
µA
V
V
V
V
V
VDD/2-1
V
V
V
0.4
V
mA
Ω
kΩ
kΩ
pF
Input High Voltage
Input Low Voltage
Input High Voltage, PDTS
Input Low Voltage, PDTS
Input High Voltage
Input Low Voltage
Output High Voltage
(CMOS High)
Output High Voltage
Output Low Voltage
Short Circuit Current
Nominal Output
Impedance
Internal Pull-up Resistor
Internal Pull-down
Resistor
Input Capacitance
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OH
V
OL
I
OS
Z
O
R
PUS
R
PD
C
IN
PDTS = 0, no load, Note 1
S2:S0
S2:S0
ICLK
ICLK
I
OH
= -4 mA
I
OH
= -12 mA
I
OL
= 12 mA
VDD/2+1
VDD-0.4
2.4
±70
20
S2:S0, PDTS
CLK outputs
Inputs
250
525
4
Note 1: Example with 25 MHz crystal input with nine outputs of 33.3 MHz, no load, and VDD = 3.3 V.
IDT™ / ICS™
TRIPLE PLL FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER 5
ICS345
REV K 110207
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
