ICS544-01 Datasheet, PDF (4/7 Pages) Integrated Circuit Systems – Clock Divider

PRELIMINARY INFORMATION
ICS544-01
Clock Divider
DC Electrical Characteristics
Unless stated otherwise, VDD = 2.25 V to 3.6 V, C_L=15 pf±5%, Ambient Temperature -40°C to +70°C
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
TBD
kΩ
AC Electrical Characteristics
Unless stated otherwise, VDD = 2.25 V to 3.6 V±5%, C_L=15 pf±5%, Ambient Temperature -40°C to +70°C
Parameter
Symbol
Conditions
Min. Typ.
Max. Units
Input Frequency, clock input
VDD = 3.3 V
0
156
MHz
Output Rise Time
Output Fall Time
Duty Cycle
t_OR 0.1VDD to 0.9VDD
0.2
1
us
t_OF 0.9VDD to 0.1VDD
0.2
1
us
at VDD/2
45 49 to 51
55
%
Output Enable Delay Time
t_OE OE going high to CLK
output valid
2
us
Output Disable Delay Time
t_OD OE going low to CLK
output invalid
2
us
Thermal Characteristics
Parameter
Symbol Conditions
Thermal Resistance Junction to
Ambient
θ_JA Still air
θ_JA 1 m/s air flow
θ_JA 3 m/s air flow
Thermal Resistance Junction to Case θ_JC
Min.
Typ.
150
140
120
40
Max. Units
°C/W
°C/W
°C/W
°C/W
MDS 544M-01 A
4
Revision 041505
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