AT89C51ID2-SLSIM Atmel, AT89C51ID2-SLSIM Datasheet - Page 141

• Manufacturer Part Number: AT89C51ID2-SLSIM
• Description: C51ID2 64KF TWI 32KHZ PLCC44 3-5.5V IND.
• Manufacturer: Atmel

T
V
V
Notes:
141
A
CC
CC
Symbol
= -40°C to +85°C; V
I
CCWRITE
I
t
I
CCIDLE
V
R
WRITE
CCOP
=2.7V to 5.5V and F = 0 to 40 MHz (both internal and external code execution)
=4.5V to 5.5V and F = 0 to 60 MHz (internal code execution only) (Continued)
C
I
I
I
I
OH1
RST
PD
TL
IL
LI
IO
1. Operating I
2. Idle I
3. Power-down I
4. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the V
5. Typical values are based on a limited number of samples and are not guaranteed. The values listed are at room temperature
6. Under steady state (non-transient) conditions, I
AT89C51ID2
V
(see Figure 57).
0.5V; XTAL2 N.C; Port 0 = V
ure 59).
and 3. The noise is 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 100 pF), the noise pulse on the ALE line may exceed
0.45V with maxi V
and 5V.
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.
Parameter
Output High Voltage, port 0, ALE, PSEN
RST Pull-down Resistor
Logical 0 Input Current ports 1, 2, 3, 4 and 5
Input Leakage Current
Logical 1 to 0 Transition Current, ports 1, 2, 3, 4
Capacitance of I/O Buffer
Power-down Current
Power Supply Current on normal mode
Power Supply Current on idle mode
Power Supply Current on flash or EEdata write
Flash or EEdata programming time
SS
OL
+ 0.5V, V
CC
exceeds the test condition, V
is measured with all output pins disconnected; XTAL1 driven with T
OL
OL
CC
SS
IH
CC
per port pin: 10 mA
per 8-bit port:
is measured with all output pins disconnected; XTAL1 driven with T
= 0V;
= V
OL
is measured with all output pins disconnected; EA = V
OL
for all output pins: 71 mA
CC
peak 0.6V. A Schmitt Trigger use is not necessary.
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
CC
; EA = RST = V
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
SS
OL
V
V
V
(see Figure 58).
0.9 V
must be externally limited as follows:
CC
CC
CC
Min
50
- 0.3
- 0.7
- 1.5
CC
200
Typ
75
7
(5)
CC
. I
0.8 x Frequency (MHz) + 15
0.4 x Frequency (MHz) + 5
0.3 x Frequency (MHz) + 5
CC
CC
, PORT 0 = V
would be slightly higher if a crystal oscillator used
CLCH
, T
Max
-650
250
± 10
150
-50
10
10
CLCH
CHCL
, T
CC
= 5 ns, V
; XTAL2 NC.; RST = V
CHCL
= 5 ns (see Figure 60), V
IL
Unit
= V
mA
mA
mA
k Ω
ms
μ A
μ A
μ A
pF
μ A
V
V
V
V
OLS
SS
of ALE and Ports 1
Test Conditions
V
I
I
I
V
I
V
0.45V < V
V
F
T
2.7 < V
V
V
V
2.7 < V
+ 0.5V, V
OH
OH
OH
OH
A
CC
CC
IN
IN
C
CC
CC
CC
= 25 ° C
= 3 MHz
= -200 μ A
= -3.2 mA
= -7.0 mA
= -10 μ A
4289C–8051–11/05
= 0.45V
= 2.0V
= 5V ± 10%
= 2.7V to 5.5V
= 5.5V
= 5.5V
= 5.5V
CC <
CC <
SS
IN
IH
(see Fig-
(1)
(2)
5.5V
5.5V
< V
= V
CC
(3)
CC
IL
=
-