TS87C54X2-VCB Atmel, TS87C54X2-VCB Datasheet - Page 44

• Manufacturer Part Number: TS87C54X2-VCB
• Description: IC MCU 8BIT 16K OTP 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 87Cr

Specifications of TS87C54X2-VCB

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

19.4
44
1. 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
operating
Symbol
RESET
under
V
R
V
V
CIO
V
V
idle
V
I
I
I
V
I
I
I
I
OH1
CC
CC
CC
OL1
TL
RST
PD
IH1
OL
OH
IL
LI
19-5.), V
V
V
(see Figure 19-4.).
and Ports 1 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 100pF), the noise
pulse on the ALE line may exceed 0.45V with maxi V
IH
IL
CC
IH
IH
DC Parameters for Low Voltage
under reset is measured with all output pins disconnected; XTAL1 driven with T
= V
= V
AT/TS8xC54/8X2
CC
Input Low Voltage
Input High Voltage except XTAL1, RST
Input High Voltage, XTAL1, RST
Output Low Voltage, ports 1, 2, 3
Output Low Voltage, port 0, ALE, PSEN
Output High Voltage, ports 1, 2, 3
Output High Voltage, port 0, ALE, PSEN
Logical 0 Input Current ports 1, 2 and 3
Input Leakage Current
Logical 1 to 0 Transition Current, ports 1, 2, 3
RST Pulldown Resistor
Capacitance of I/O Buffer
Power Down Current
Power Supply Current Maximum values, X1
mode:
Power Supply Current Maximum values, X1
mode:
Power Supply Current Maximum values, X1
mode:
CC
CC
is measured with all output pins disconnected; XTAL1 driven with T
IL
- 0.5 V; XTAL2 N.C; Port 0 = V
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
= V
(7)
(7)
(7)
CC
SS
+ 0.5 V,
is measured with all output pins disconnected; EA = V
T
T
Table 19-2.
Parameter
A
A
= 0°C to +70°C; V
= -40°C to +85°C; V
(6)
DC Parameters for Low Voltage
(6)
CC
SS
; EA = RST = V
SS
= 0 V; V
= 0 V; V
0.2 V
0.7 V
0.9 V
0.9 V
Min
-0.5
CC
CC
50
OL
CC
CC
+ 0.9
CC
CC
CC
= 2.7 V to 5.5 V ± 10%; F = 0 to 30 MHz.
. I
peak 0.6V. A Schmitt Trigger use is not necessary.
CC
= 2.7 V to 5.5 V ± 10%; F = 0 to 30 MHz.
SS
would be slightly higher if a crystal oscillator used..
(see Figure 19-3.).
90
20
10
Typ
(5)
(5)
(5)
SS
, PORT 0 = V
0.15 Freq (MHz)
@12MHz 3.4
@16MHz 4.2
@12MHz 4.6
@16MHz 5.8
@16MHz 2.6
0.2 V
CLCH
1 + 0.2 Freq
1 + 0.3 Freq
@12MHz 2
V
V
CC
CC
(MHz)
(MHz)
+ 0.2
Max
0.45
0.45
-650
±10
200
-50
10
50
30
CC
, T
+ 0.5
+ 0.5
- 0.1
CHCL
CLCH
CC
= 5 ns, V
, T
; XTAL2 NC.; RST = V
Unit
mA
mA
mA
μA
μA
μA
kΩ
μA
CHCL
pF
V
V
V
V
V
V
V
= 5 ns (see Figure
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
IL
CC
CC
CC
CC
CC
= 25°C
= 0.8 mA
= 1.6 mA
= -10 μA
= -40 μA
= V
= 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
SS
OL
4431E–8051–04/06
s of ALE
+ 0.5 V,
(1)
(8)
(2)
(4)
(4)
CC
SS
(3)
(3)