P R E L I M I N A RY I N F O R M AT I O N
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
Operating Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Operating Supply Current
Operating Supply Current
Standby Current
Short Circuit Current
Input Capacitance
Nominal Output Impedance
Internal Pull-up Resistor
Symbol
VDD
V
IH
V
IL
V
OH
V
OL
I
DD
I
DD
I
SB
I
OS
C
IN
Z
O
Rpup
Conditions
S0, S1, OE, ICLK
S0, S1, OE, ICLK
I
OH
= -2 mA
I
OL
= 2 mA
VDD =2.25 V - 2.75 V
VDD= 2.75 V - 3.6 V
OE=0
Min.
2.25
0.7VDD
Typ.
Max.
3.6
0.3VDD
Units
V
V
V
V
V
mA
mA
ua
mA
pF
Ω
kΩ
VDD-0.4
VDD-0.15
0.15
0.3
0.5
±40
0.4
0.6
1
10
4
20
TBD
S0, S1, OE
at VDD/2
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
Input Frequency, clock input
Output Rise Time
Output Fall Time
Duty Cycle
Output Enable Delay Time
Output Disable Delay Time
Symbol
t
OR
t
OF
t
OE
t
OD
Conditions
VDD = 3.3 V
0.1VDD to 0.9VDD
0.9VDD to 0.1VDD
at VDD/2
OE going high to CLK
output valid
OE going low to CLK
output invalid
Min.
0
Typ.
0.2
0.2
Max.
156
1
1
55
2
2
Units
MHz
us
us
%
us
us
45
49 to 51
Thermal Characteristics
Parameter
Thermal Resistance Junction to
Ambient
Symbol
θ
JA
θ
JA
θ
JA
θ
JC
Conditions
Still air
1 m/s air flow
3 m/s air flow
Min.
Typ.
150
140
120
40
Max. Units
°C/W
°C/W
°C/W
°C/W
Thermal Resistance Junction to Case
MDS 544M-01 A
4
Revision 041505
Integrated Circuit Systems, Inc.
●
525 Race Street, San Jose, CA 95126
●
tel (408) 297-1201
●
www.icst.com
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