Instruction Manual
DS2188
021997 7/11
ABSOLUTE MAXIMUM RATINGS*
Voltage on any Pin Relative to Ground –1.0V to +7.0V
Operating Temperature 0°C to 70°C
Storage Temperature –55°C to +125°C
Soldering Temperature 260°C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATIONS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Logic1 V
IH
2.0 V
CC
+0.3 V 1
Logic 0 V
IL
–0.3 +0.8 V 1
Supply V
DD
4.50 5.50 V
NOTE:
1. Does not apply to XTAL1.
CAPACITANCE (t
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
5 pF
Output C
OUT
10 pF
DC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
DD
=5V ± 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Current I
DD
7 12 mA 1
Input Leakage I
L
–1.0 +1.0 µA 2,3
Output Current (2.4V) I
OH
–1.0 mA 3
Output Current (0.4V) I
OL
+4.0 mA 3
NOTES:
1. RCLK = 1.544 MHz; V
DD
= 5.50; outputs open.
2. V
SS
< V
IN
< V
DD
: XTAL1 = XTAL2 = V
DD
.
3. Does not apply to XTAL1 or XTAL2.