ICS252
FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER
EPROM CLOCK SYNTHESIZER
DC Electrical Characteristics
Unless stated otherwise,
VDD = 3.3 V ±5%,
Ambient Temperature -40 to +85° C
Parameter
Operating Voltage
Symbol
VDD
Conditions
Configuration Dependent
- See VersaClock
TM
Min.
3.135
Typ.
3.3
Max.
3.465
Units
V
mA
Operating Supply Current
Input High Voltage
IDD
Two 33.3333 MHz output,
PDTS = 1, no load
Note 1
PDTS = 0
SEL
SEL
VDD-0.5
VDD/2+1
16
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
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
PUP
R
PD
C
IN
μA
V
V
V
V
V
VDD/2-1
V
V
V
0.4
V
mA
Ω
kΩ
kΩ
pF
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)
VDD/2+1
VDD-0.4
2.4
VDD-0.4
±70
20
SEL
Clock outputs CLK1 and
CLK2
inputs
120
120
4
Note 1: Example with 25 MHz crystal input with output of 33.3 MHz, no load, and VDD = 3.3 V.
IDT®
FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER 5
ICS252
REV J 052010
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
