T89C51RD2-3CSCL ATMEL [ATMEL Corporation], T89C51RD2-3CSCL Datasheet - Page 83

• Manufacturer Part Number: T89C51RD2-3CSCL
• Description: 0 to 40 MHz Flash Programmable 8-bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

DC Parameters for Low
Voltage
T
T
Table 45. DC Parameters for Low Voltage
4243G–8051–05/03
A
A
I
Symbol
CCProgFlash
= 0°C to +70°C; V
= -40°C to +85°C; V
I
CCProgEE
I
I
CCIDLE
V
R
V
V
V
CIO
CCOP
V
V
V
I
I
I
I
OH1
PD
OL1
TL
RST
IH1
OL
OH
IL
LI
IH
IL
4. Operating I
5. Idle I
6. Power Down I
7. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the V
V
V
33.).
0.5 V; XTAL2 N.C; Port 0 = V
ure 35.). In addition, the WDT must be inactive and the POF flag must be set.
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
Parameter
Input Low Voltage
Input High Voltage except XTAL1, RST
Input High Voltage, XTAL1, RST
Output Low Voltage, ports 1, 2, 3, 4 and 5
Output Low Voltage, port 0, ALE, PSEN
Output High Voltage, ports 1, 2, 3, 4 and 5
Output High Voltage, port 0, ALE, PSEN
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
and 5
RST Pulldown Resistor
Capacitance of I/O Buffer
Power Down Current
Power Supply Current on normal mode
Power Supply Current during Flash Write / Erase
Power Supply Current during EEprom data Write
/ Erase
Power Supply Current on idle mode
SS
IH
= V
+ 0.5 V,
CC
CC
is measured with all output pins disconnected; XTAL1 driven with T
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
SS
CC
SS
= 0 V; V
CC
is measured with all output pins disconnected; XTAL1 driven with T
= 0 V; V
is measured with all output pins disconnected; EA = V
CC
CC
= 2.7 V to 3.6 V; F = 0 to 25 MHz
= 2.7 V to 3.6 V; F = 0 to 25 MHz
CC
; EA = RST = V
(6)
(6)
SS
0.2 V
(see Figure 34.).
0.7 V
0.9 V
0.9 V
Min
-0.5
CC
50
CC
CC
CC
CC
+ 0.9
. I
CC
would be slightly higher if a crystal oscillator used (see Figure
(MHz) + 10
(MHz) + 3
0.3 Freq
0.7 Freq
Typ
90
1
(5)
SS
, PORT 0 = V
CLCH
0.6 Freq (MHz)
0.4 Freq (MHz)
0.7 Freq (MHz)
0.3 Freq (MHz)
0.2 V
V
V
, T
CC
CC
Max
0.45
0.45
-650
+ 12
+ 18
±10
200
-50
+ 3
+ 2
10
50
CC
CLCH
CHCL
+ 0.5
+ 0.5
- 0.1
, T
CC
= 5 ns, V
CHCL
; XTAL2 NC.; RST = V
Unit
mA
mA
mA
mA
µA
µA
µA
kΩ
µA
pF
= 5 ns (see Figure 36.), V
V
V
V
V
V
V
V
IL
T89C51RD2
= V
Test Conditions
I
I
I
I
Vin = 0.45 V
0.45 V < Vin < V
Vin = 2.0 V
Fc = 1 MHz
T
V
V
V
V
V
OL
OL
OH
OH
A
CC
CC
CC
CC
CC
OL
SS
= 25°C
= 0.8 mA
= 1.6 mA
= -10 µA
= -40 µA
s of ALE and Ports 1
= 2.7 V to 3.6 V
= 3.6 V
= 3.6 V
= 3.6 V
= 3.6 V
+ 0.5 V, V
(1)
(1)
(1)
(2)
(4)
(4)
SS
CC
IH
(see Fig-
= V
(3)
CC
IL
83
=
-