T89C51CC02 Atmel, T89C51CC02 Datasheet - Page 130

• Manufacturer Part Number: T89C51CC02
• Description: 8-Bit MCU
• Manufacturer: Atmel

T89C51CC02
19.2. DC Parameters for Standard Voltage
T
NOTES
1.
V
2.
N.C; RST = V
3.
inactive and the POF flag must be set.
4.
due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins make 1 to 0 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
5.
6.
If I
130
IH
A
Symbol
OL
R
V
V
= V
V
V
= -40 C to +85 C; V
V
C
I
I
I
I
I
Operating I
Idle I
Power Down I
Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the V
Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temperature..
Under steady state (non-transient) conditions, I
Maximum I
Maximum I
Ports 1, 2 and 3: 15 mA
Maximum total I
RST
exceeds the test condition, V
TL
PD
CC
IH1
OL
OH
IL
LI
IH
IO
IL
CC
CC
- 0.5V; XTAL2 N.C.; RST = V
is measured with all output pins disconnected; XTAL1 driven with T
SS
Input Low Voltage
Input High Voltage except XTAL1, RST
Input High Voltage, XTAL1, RST
Output Low Voltage, ports 1, 2, 3 and 4
Output High Voltage, ports 1, 2, 3, 4 and 5
RST Pulldown Resistor
Logical 0 Input Current ports 1, 2, 3 and 4
Input Leakage Current
Logical 1 to 0 Transition Current, ports 1, 2, 3
and 4
Capacitance of I/O Buffer
Power Down Current
Power Supply Current (Typical)
I
I
CCOP
CCIDLE
OL
OL
CC
(see Figure 134.).
CC
per port pin: 10 mA
per 8-bit port:
is measured with all output pins disconnected; XTAL1 driven with T
= 0.5 Freq (MHz) + 3 mA
OL
is measured with all output pins disconnected; ; XTAL2 NC.; RST = V
= 0.3 Freq (MHz) + 2 mA
for all output pins: 71 mA
Parameter
SS
OL
may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions.
= 0 V; V
Table 25. DC Parameters in Standard Voltage
CC
. I
CC
CC
would be slightly higher if a crystal oscillator used (see Figure 133.).
OL
= 5 V
(6)
must be externally limited as follows:
Preliminary
0.2 V
10%; F = 0 to 40 MHz.
V
V
V
0.7 V
CC
CC
CC
Min
-0.5
CC
20
- 0.3
- 0.7
- 1.5
CC
+ 0.9
CLCH
40
Typ
120
, T
(5)
CLCH
CHCL
SS
, T
= 5 ns, V
OL
(see Figure 135.). In addition, the WDT must be
CHCL
V
V
peak 0.6V. A Schmitt Trigger use is not necessary.
CC
CC
Max
0.7
0.45
-650
200
350
0.3
1.0
-50
10
= 5 ns (see Figure 136.), V
10
+ 0.5
+ 0.5
(7)
IL
OL
= V
s of ALE and Ports 1 and 3. The noise is
SS
+ 0.5 V, V
Unit
k
pF
V
V
V
V
V
V
V
V
V
A
A
A
A
Rev.A - May 17, 2001
I
I
I
I
I
I
V
Vin = 0.45 V
0.45 V < Vin < V
Vin = 2.0 V
Fc = 1 MHz
T
4.5 V < V
IH
OL
OL
OL
OH
OH
OH
A
CC
Test Conditions
= V
= 25 C
= 100 A
= 1.6 mA
= 3.5 mA
= -10 A
= -30 A
= -60 A
= 5 V 10%
CC
IL
= V
CC <
- 0.5 V; XTAL2
SS
(4)
(4)
(4)
5.5 V
+ 0.5 V,
CC
(3)