参数资料
型号: MC9S08QE4CPG
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP16
封装: ROHS COMPLIANT, PLASTIC, DIP-16
文件页数: 4/46页
文件大小: 1293K
代理商: MC9S08QE4CPG
MC9S08QE8 Series Data Sheet, Rev. 7
Electrical Characteristics
Freescale Semiconductor
12
12b
C
Pullup,
pulldown
resistors
(PTA5/IRQ/TCLK/RESET)
RPU,
RPD
(Note3)
17.5
52.5
k
Ω
13
C
DC injection
current 4, 5,
6
Single pin limit
IIC
VIN < VSS, VIN > VDD
–0.2
0.2
mA
Total MCU limit, includes
sum of all stressed pins
–5
5
mA
14
C Input capacitance, all pins
CIn
——
8
pF
15
C RAM retention voltage
VRAM
——
0.6
1.0
V
16
C POR re-arm voltage7
VPOR
0.9
1.4
2.0
V
17
D POR re-arm time
tPOR
—10
μs
P Low-voltage detection threshold
VLVD
VDD falling
VDD rising
1.80
1.88
1.84
1.92
1.88
1.96
V
18
P Low-voltage warning threshold
VLVW
VDD falling
VDD rising
2.08
2.14
2.24
V
19
P
Low-voltage inhibit reset/recover
hysteresis
Vhys
——
80
mV
20
21
P Bandgap voltage reference8
VBG
1.151.171.18
V
1 Typical values are measured at 25
°C. Characterized, not tested
2 As the supply voltage rises, the LVD circuit will hold the MCU in reset until the supply has risen above V
LVDL.
3 The specified resistor value is the actual value internal to the device. The pullup or pulldown value may appear higher when
measured externally on the pin.
4 All functional non-supply pins, except for PTA5 are internally clamped to V
SS and VDD.
5 Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate
resistance values for positive and negative clamp voltages, then use the larger of the two values.
6 Power supply must maintain regulation within operating V
DD range during instantaneous and operating maximum current
conditions. If the positive injection current (VIn > VDD) is greater than IDD, the injection current may flow out of VDD and could
result in external power supply going out of regulation. Ensure that external VDD load will shunt current greater than maximum
injection current. This will be the greatest risk when the MCU is not consuming power. Examples are: if no system clock is
present, or if clock rate is very low (which would reduce overall power consumption).
7 Maximum is highest voltage that POR is guaranteed.
8 Factory trimmed at V
DD = 3.0 V, Temp = 25 °C
Table 7. DC Characteristics (continued)
Num C
Characteristic
Symbol
Condition
Min.
Typical1
Max.
Unit
相关PDF资料
PDF描述
MC9S08QE4CWJ 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
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MC9S08QE4CTG 功能描述:8位微控制器 -MCU 4KB FLASH; 512 RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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