IBM39STB032xx
IBM39STB034xx
STB032xx and STB034xx Digital Set-Top Box Integrated Controllers
Preliminary
Electrical Information
The following tables give the absolute ratings for various electrical characteristics.
Drivers/Receivers
Four types of I/O drivers and receivers are used on the STB03xxx device, as follows:
.
I/O Driver Types
Driver/
Receiver
Type
Characteristics
Used on I/O signals:
G_SYSTEM_RESET, GPIO[2], GPIO[29],
SC0_IO, SC0_CLK, SC0_DETECT, SC0_RESET,
SC0_VCC_COMMAND, SC1_IO, SC1_CLK,
SC1_DETECT, SC1_RESET,
5 V tolerant, no pull-up or pull-down
(external pull-up is required)
BP3365
SC1_VCC_COMMAND,
BI_READY
5 V tolerant, no pull-up or pull-down
(external pull-up is required)
I2C0_SDA, I2C0_SCL,
GPIO[0], GPIO[1]
BP3335
BT3350PU
BT3365PU
3.3 V I/O with pull-up
3.3 V I/O with pull-up
BI_DATA[0:15], MUX0[18:33]
all other digital I/O signals
DC Electrical Characteristics
The table, “DC Electrical Characteristics,” gives the absolute ratings for various electrical
characteristics. The temperature is 70° C in all cases.
DC Electrical Characteristics
Driver / Receiver
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
1
V
High Level Input Voltage
Low Level Input Voltage
2.00
5.50
0.80
IH
2
V
-0.60
V
IL
V
= Min,
= 17.0 mA
BP3335
CC
V
High Level Output Voltage
Low Level Output Voltage
2.40
V
V
OH
I
OH
V
= Min,
= 11.0 mA
CC
V
0.4
OL
I
OL
1
V
High Level Input Voltage
Low Level Input Voltage
2.00
5.50
0.80
V
V
IH
2
V
-0.60
IL
V
= Min,
= 9.0 mA
BP3365
CC
V
High Level Output Voltage
Low Level Output Voltagec
2.40
V
V
OH
I
OH
V
= Min,
= 6.0 mA
CC
V
0.4
OL
I
OL
1. Maximum V applies to overshoot only.
IH
2. Minimum V applies to undershoot only.
IL
3. 5.0 volt tolerant Driver/Receiver, see graph, page 34.
Electrical Information
Page 32 of 55
STB03_sds_041800.fm.01
April 18, 2000
IBM [ IBM ]
