ICS291_10 Datasheet, PDF (5/10 Pages) Integrated Device Technology – TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER

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
Symbol
Conditions
Min. Typ.
Operating Voltage
VDD
3.135
VDDO Voltage
VDDO1 and VDDO2
1.80
Config. Dependent - See
VersaClock^TM Estimates
Operating Supply Current IDD _{Six 33.3333 MHz outs,}
25
VDD=VDDO=3.3 V;
PDTS = 1, no load, Note 1
PDTS = 0, no load
Input High Voltage
V_IH S2:S0
Input Low Voltage
V_IL S2:S0
Input High Voltage, PDTS V_IH
Input Low Voltage, PDTS V_IL
Input High Voltage
V_IH ICLK
Input Low Voltage
V_IL ICLK
Output High Voltage
(CMOS High)
V_OH I_OH = -4 mA
500
VDD/2+1
VDD-0.5
VDD/2+1
VDD-0.4
Output High Voltage
Output Low Voltage
Short Circuit Current
V_OH I_OH = -8 mA (Low Drive);
2.4
I_OH = -12 mA (High Drive) VDDO-0.4
V_OL I_OL = 8 mA (Low Drive);
I_OL = 12 mA (High Drive)
I_OS Low Drive
±40
High Drive
±70
Nom. Output Impedance
Z_O
20
Internal Pull-up Resistor R_PUS S2:S0, PDTS
190
Internal Pull-down
R_PD CLK outputs
120
Resistor
Input Capacitance
C_IN Inputs
4
Max.
3.465
VDD
Units
V
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 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 F 051310