t89c51rd2-slscl ATMEL Corporation, t89c51rd2-slscl Datasheet - Page 84

• Manufacturer Part Number: t89c51rd2-slscl
• Description: 0 To 40 Mhz Flash Programmable 8-bit Microcontroller
• Manufacturer: ATMEL Corporation

84
8. Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temperature..
9. Under steady state (non-transient) conditions, I
T89C51RD2
transitions during bus operation. In the worst cases (capacitive loading 100pF), the noise pulse on the ALE line may exceed
0.45V with maxi V
Maximum I
Maximum I
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total I
If I
than the listed test conditions.
OL
exceeds the test condition, V
OL
OL
per port pin: 10 mA
per 8-bit port:
OL
OL
for all output pins: 71 mA
peak 0.6V. A Schmitt Trigger use is not necessary.
Figure 33. I
Figure 34. I
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
CC
CC
CLOCK
SIGNAL
Test Condition, Active Mode
Test Condition, Idle Mode
CLOCK
SIGNAL
(NC)
OL
must be externally limited as follows:
(NC)
V
V
RST
XTAL2
XTAL1
CC
SS
RST
XTAL2
XTAL1
V
V
SS
EA
CC
P0
I
CC
V
V
CC
EA
CC
V
I
P0
CC
CC
V
CC
V
CC
All other pins are disconnected.
All other pins are disconnected.
4243G–8051–05/03