TS87C51RD2 ATMEL Corporation, TS87C51RD2 Datasheet - Page 60

• Manufacturer Part Number: TS87C51RD2
• Description: (TS8xC51Rx2) High Performance 8-bit Microcontroller
• Manufacturer: ATMEL Corporation

11.4
Table 11-2.
Notes:
60
operating
Symbol
RESET
under
V
R
V
V
CIO
V
V
idle
V
I
I
I
V
I
I
I
I
I
OH1
CC
CC
CC
OL1
TL
RST
PD
PD
IH1
OL
OH
IL
LI
IH
IL
DC Parameters for Low Voltage
1. I
2. Idle I
3. Power-down I
AT/TS8xC51Rx2
= V
V
0.5 V; XTAL2 N.C; Port 0 = V
ure 11-4.).
CC
Parameter
Input Low Voltage
Input High Voltage except XTAL1, RST
Input High Voltage, XTAL1, RST
Output Low Voltage, ports 1, 2, 3, 4, 5
Output Low Voltage, port 0, ALE, PSEN
Output High Voltage, ports 1, 2, 3, 4, 5
Output High Voltage, port 0, ALE, PSEN
Logical 0 Input Current ports 1, 2, 3, 4, 5
Input Leakage Current
Logical 1 to 0 Transition Current, ports 1, 2, 3, 4,
5
RST Pulldown Resistor
Capacitance of I/O Buffer
Power-down Current
Power-down Current (Only for TS87C51RD2
S287-xxx Very Low power)
Power Supply Current Maximum values, X1
mode:
Power Supply Current Maximum values, X1
mode:
Power Supply Current Maximum values, X1
mode:
IH
under reset is measured with all output pins disconnected; XTAL1 driven with T
SS
DC Parameters for Low Voltage
= V
CC
+ 0.5 V,
CC
(7)
(7)
(7)
is measured with all output pins disconnected; XTAL1 driven with T
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
CC
T
T
is measured with all output pins disconnected; EA = V
A
A
= 0°C to +70°C; V
= -40°C to +85°C; V
CC
; EA = RST = V
(6)
(6)
SS
SS
= 0 V; V
= 0 V; V
SS
0.2 V
(see Figure 11-3.).
0.7 V
0.9 V
0.9 V
Min
-0.5
CC
CC
50
CC
CC
+ 0.9
CC
CC
CC
= 2.7 V to 5.5 V ± 10%; F = 0 to 30 MHz.
. I
CC
= 2.7 V to 5.5 V ± 10%; F = 0 to 30 MHz.
would be slightly higher if a crystal oscillator used..
90
20
10
Typ
2
(5)
(5)
(5)
(5)
SS
, PORT 0 = V
CLCH
@12MHz 3.4
@16MHz 4.2
@12MHz 4.6
@16MHz 5.8
@16MHz 2.6
0.2 V
1 + 0.2 Freq
1 + 0.3 Freq
(MHz) + 0.2
@12MHz 2
0.15 Freq
V
V
, T
CC
CC
(MHz)
(MHz)
Max
0.45
0.45
-650
±10
200
-50
10
50
30
15
CC
CHCL
+ 0.5
+ 0.5
CLCH
- 0.1
CC
, T
= 5 ns, V
; XTAL2 NC.; RST = V
CHCL
Unit
mA
mA
mA
μA
μA
μA
kΩ
μA
μA
pF
V
V
V
V
V
V
V
= 5 ns (see Figure 11-5.), V
IL
= V
I
I
I
I
Vin = 0.45 V
0.45 V < Vin < V
Vin = 2.0 V
Fc = 1 MHz
T
V
V
2.0 V < V
V
V
V
OL
OL
OH
OH
A
CC
CC
CC
CC
CC
SS
= 25°C
= 0.8 mA
= 1.6 mA
= -10 μA
= -40 μA
= 2.0 V to 5.5 V
= 2.0 V to 3.3 V
= 3.3 V
= 3.3 V
= 3.3 V
Test Conditions
+ 0.5 V, V
CC <
4188E–8051–08/06
(1)
(8)
(2)
(4)
(4)
SS
3.6 V
IH
CC
(see Fig-
= V
(3)
(3)
(3)
CC
IL
-