参数资料
型号: ST72T121J4B6S
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, PLASTIC, SDIP-42
文件页数: 83/93页
文件大小: 1374K
代理商: ST72T121J4B6S
84/93
ST72E121 ST72T121
7.3 DC ELECTRICAL CHARACTERISTICS
(TA = -40°C to +125°C and VDD = 5V unless otherwise specified)
Notes:
1. Hysteresis voltage between switching levels. Based on characterisation results, not tested.
2. CPU running with memory access, no DC load or activity on I/O’s; clock input (OSCIN) driven by external square wave.
3. No DC load or activity on I/O’s; clock input (OSCIN) driven by external square wave.
4. Except OSCIN and OSCOUT
5. WAIT Mode with SLOW Mode selected. Based on characterisation results, not tested.
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
VIL
Input Low Level Voltage
All Input pins
3V < VDD < 5.5V
VDD x 0.3
V
VIH
Input High Level Voltage
All Input pins
3V < VDD < 5.5V
VDD x 0.7
V
VHYS
Hysteresis Voltage 1)
All Input pins
400
mV
VOL
Low Level Output Voltage
All Output pins
IOL = +10A
IOL = + 2mA
0.1
0.4
V
Low Level Output Voltage
High Sink I/O pins
IOL = +10A
IOL = +10mA
IOL = + 15mA
IOL = + 20mA, TA = 85°C max
0.1
1.5
3.0
VOH
High Level Output Voltage
All Output pins
IOH = - 10A
IOH= - 2mA
4.9
4.2
V
IIL
IIH
Input Leakage Current
All Input pins but RESET 4)
VIN = VSS (No Pull-up configured)
VIN = VDD
0.1
1.0
A
IIH
Input Leakage Current
RESET pin
VIN = VDD
0.1
1.0
RON
Reset Weak Pull-up RON
VIN > VIH
VIN < VIL
20
60
40
120
80
240
k
RPU
I/O Weak Pull-up RPU
VIN < VIL
100
k
IDD
Supply Current in
RUN Mode 2)
fOSC = 4 MHz, fCPU = 2 MHz
fOSC = 8 MHz, fCPU = 4 MHz
fOSC = 16 MHz, fCPU = 8 MHz
3.5
6
11
7
12
20
mA
Supply Current in SLOW
Mode 2)
fOSC = 4 MHz, fCPU= 125 kHz
fOSC = 8 MHz, fCPU= 250 kHz
fOSC = 16 MHz, fCPU= 500 kHz
1.5
2.5
4.5
3
5
9
mA
Supply Current in WAIT
Mode 3)
fOSC = 4MHz, fCPU = 2MHz
fOSC = 8MHz, fCPU = 4 MHz
fOSC = 16MHz, fCPU = 8 MHz
2
4
6.5
4
8
12
mA
Supply Current in WAIT-
MINIMUM Mode5)
fOSC = 4 MHz, fCPU= 125 kHz
fOSC = 8 MHz, fCPU= 250 kHz
fOSC = 16 MHz, fCPU= 500 kHz
0.8
1
1.6
1.5
2
3.5
mA
Supply Current in HALT
Mode
ILOAD = 0mA without LVD, TA = 85°C max
ILOAD = 0mA without LVD
ILOAD = 0mA with LVD
1
5
70
10
20
100
A
84
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