參數(shù)資料
型號(hào)： TSC87C51-25MJMQ
英文描述： CMOS 0 to 25 MHz Programmable 8?bit Microcontroller
中文描述： 的CMOS 0到25 MHz的可編程8？位微控制器
文件頁數(shù)： 14/22頁
文件大?。?/td> 253K
代理商： TSC87C51-25MJMQ
14
Rev. E
–
July 03, 2000
VIL
Input Low Voltage
–0.5
0.2 VCC – 0.1
V
VIH
Input High Voltage except XTAL1, RST
0.2 VCC + 1.2
(military)
VCC + 0.5
V
VIH1
Input High Voltage, XTAL1, RST
0.7 VCC
VCC + 0.5
V
VOL
Output Low Voltage, ports 1, 2, 3
(6)
0.3
0.45
1.0
V
V
V
IOL = 100
μ
A
(4)
IOL = 1.6mA
(4)
IOL = 3.5mA
(4)
VOL1
Output Low Voltage, port 0, ALE, PSEN
(6)
0.3
0.45
1.0
V
V
V
IOL = 200
μ
A
(4)
IOL = 3.2mA
(4)
IOL = 7.0mA
(4)
VOH
Output High Voltage, ports 1, 2, 3
VCC – 0.3
VCC – 0.7
VCC – 1.5
V
V
V
IOH = –10
μ
A
IOH = –30
μ
A
IOH = –60
μ
A
VCC = 5V
±
10%
VOH1
Output High Voltage, port 0, ALE, PSEN
VCC – 0.3
VCC – 0.7
VCC – 1.5
V
V
V
IOH = –200
μ
A
IOH = –3.2mA
IOH = –7.0mA
VCC = 5V
±
10%
RRST
RST Pulldown Resistor
50
90
(5)
200
k
IIL
Logical 0 Input Current ports 1, 2 and 3
–50
μ
A
Vin = 0.45V
ILI
Input Leakage Current
±
10
μ
A
0.45 < Vin < VCC
ITL
Logical 1 to 0 Transition Current, ports 1, 2, 3
–650
μ
A
Vin = 2.0V
CIO
Capacitance of I/O Buffer
10
pF
fc = 1MHz, T
A
= 25
°
C
IPD
Power Down Current
10
(5)
50
μ
A
VCC = 2.0V to 5.5V
(3)
ICC
Power Supply Current
(7)
Freq = 1 MHz
Icc op
Icc idle
Icc op
Icc idle
Freq = 6 MHz
Freq
≥
12 MHz
Icc op = 1.25 Freq (MHz) + 5 mA
Icc idle = 0.36 Freq (MHz) + 2.7 mA
Icc idle = 0.4 Freq (MHz) + 2.7 mA (military)
(5)
20@12MHz
40@25MHz
8@12MHz
13@25MHz
1.8
1
10
4
mA
mA
mA
mA
mA
mA
VCC = 5.5V
(1)
VCC = 5.5V
(2)
Notes for DC Electrical Characteristics
1. Operating ICC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns (see Figure 11), VIL = VSS + 0.5V,
VIH = VCC – 0.5V; XTAL2 N.C.; EA = RST = Port 0 = VCC. ICC would be slightly higher if a crystal oscillator used (see NO TAG).
2. Idle ICC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5ns, VIL = VSS + 0.5V, VIH = VCC–0.5V; XTAL2
N.C; Port 0 = VCC; EA = RST = VSS (see Figure 9).
3. Power Down ICC is measured with all output pins disconnected; EA = VSS, PORT 0 = VCC; XTAL2 NC.; RST = VSS (see NO TAG).
4. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the VOLs of ALE 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
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