ICS544-01
CLOCK DIVIDER CLOCK DIVIDER
IDT®
CLOCK DIVIDER 4
ICS544-01 REV B 051810
DC Electrical Characteristics
Unless stated otherwise, VDD = 2.25 V to 3.6 V, C
L
=15pF ±5%, Ambient Temperature -40° C to +85° C
AC Electrical Characteristics
Unless stated otherwise, VDD = 2.25 V to 3.6 V±5%, C
L
=15pF ±5%, Ambient Temp -40° C to +85° C
Thermal Characteristics
Parameter Symbol Conditions Min. Typ. Max. Units
Operating Voltage VDD 2.25 3.6 V
Input High Voltage V
IH
S0, S1, OE, ICLK 0.7VDD V
Input Low Voltage V
IL
S0, S1, OE, ICLK 0.3VDD V
Output High Voltage V
OH
I
OH
= -2 mA VDD-0.4 VDD-0.15 V
Output Low Voltage V
OL
I
OL
= 2 mA 0.15 0.4 V
Operating Supply Current I
DD
VDD =2.25 V - 2.75 V 0.3 0.6 mA
Operating Supply Current I
DD
VDD= 2.75 V - 3.6 V 0.5 1 mA
Standby Current I
SB
OE=0 10 ua
Short Circuit Current I
OS
±40 mA
Input Capacitance C
IN
S0, S1, OE 4 pF
Nominal Output Impedance Z
O
at VDD/2 20 Ω
Internal Pull-up Resistor Rpup OE, S1, S0 420 kΩ
Parameter Symbol Conditions Min. Typ. Max. Units
Input Frequency, clock input VDD = 3.3 V 0 16.777216 MHz
Output Rise Time t
OR
0.1VDD to 0.9VDD 0.2 1 μs
Output Fall Time t
OF
0.9VDD to 0.1VDD 0.2 1 μs
Duty Cycle at VDD/2 45 49 to 51 55 %
Output Enable Delay Time t
OE
OE going high to CLK
output valid
2 μs
Output Disable Delay Time t
OD
OE going low to CLK
output invalid
2 μs
Parameter Symbol Conditions Min. Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
JA
Still air 150 ° C/W
θ
JA
1 m/s air flow 140 ° C/W
θ
JA
3 m/s air flow 120 ° C/W
Thermal Resistance Junction to Case θ
JC
40 ° C/W
