SMS2902/SMS2904/SMS2916
PIN CONFIGURATIONS
PIN NAMES
Symbol
WDI#
Pin
1
Description
Watchdog Input /a high to
low transition will clear the
watchdog timer
Active Low RESET Input/Output
No Connect, tie to ground
or leave open
Analog and Digital Ground
Serial Memory Input/
Output data line
Serial Memory clock input
Active High RESET Input/
Output
Supply Voltage
2028 PGM T1.1
8-Pin SOIC
WDI#
RESET#
NC
GND
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
RESET#
NC
GND
SDA
SCL
RESET
V
CC
2
3
4
5
6
7
8
2028 T PCon 2.0
CAPACITANCE
T
A
= 25°C, f = 100KHz
Symbol
C
IN
L
OUT
Parameter
Input Capacitance
Output Capacitance
Max
5
8
Units
pF
pF
2028 PGM T2..0
t
R
t
F
t
H IGH
t
LOW
t
SU:STO
SCL
t
SU:SDA
t
HD:SDA
t
HD:DAT
t
SU:DAT
t
BUF
SDA In
t
DH
t
AA
SDA Out
2028 ILL5.0
FIGURE 1. SERIAL BUS TIMING DIAGRAM
2028 5.1 8/2/00
2
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
