ICS291
TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER
EPROM CLOCK SYNTHESIZER
DC Electrical Characteristics
Unless stated otherwise,
VDD = 3.3 V ±5%,
Ambient Temperature -40 to +85° C
Parameter
Operating Voltage
VDDO Voltage
Symbol
VDD
Conditions
VDDO1 and VDDO2
Config. Dependent - See
VersaClock
TM
Estimates
Min.
3.135
1.80
Typ.
Max.
3.465
VDD
Units
V
V
mA
Operating Supply Current
IDD
Six 33.3333 MHz outs,
VDD=VDDO=3.3 V;
PDTS = 1, no load, Note 1
PDTS = 0, no load
S2:S0
S2:S0
VDD-0.5
VDD/2+1
25
mA
500
0.4
0.4
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
Nom. 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
µA
V
V
V
V
V
VDD/2-1
V
V
V
0.4
V
ICLK
ICLK
I
OH
= -4 mA
I
OH
= -8 mA (Low Drive);
I
OH
= -12 mA (High Drive)
I
OL
= 8 mA (Low Drive);
I
OL
= 12 mA (High Drive)
Low Drive
High Drive
S2:S0, PDTS
CLK outputs
Inputs
VDD/2+1
VDD-0.4
2.4
VDDO-0.4
±40
±70
20
190
120
4
mA
Ω
kΩ
kΩ
pF
Note 1: Example with 25 MHz crystal input with six outputs of 33.3 MHz, no load, and VDD = 3.3 V.
IDT™ / ICS™
TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER 5
ICS291
REV D 061306
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
