參數資料
型號: M34509G4FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24
封裝: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數: 45/143頁
文件大?。?/td> 1056K
代理商: M34509G4FP
4509 Group
Rev.1.03
2009.07.27
page 139 of 140
REJ03B0147-0103
Basic timing diagram
VOLTAGE DROP DETECTION CIRCUIT CHARACTERISTICS
(Ta = –20 °C to 85 °C, unless otherwise noted)
Test conditions
Ta = 25 °C
-20 °C
Ta < 0 °C
0 °C
Ta < 50 °C
50 °C
Ta 85 °C
Ta = 25 °C
-20 °C
Ta < 0 °C
0 °C
Ta < 50 °C
50 °C
Ta 85 °C
VDD = 5 V
VDD = 3 V
VDD → (VRST– – 0.1 V)
Parameter
Detection voltage
(reset occurs) (Note 2)
Detection voltage
(reset release) (Note 3)
Detection voltage hysteresis
Operation current (Note 4)
Detection time (Note 5)
Symbol
VRST–
VRST+
VRST+
VRST–
IRST
TRST
Limits
Unit
Min.
2.5
2.2
2
2.6
2.3
2.1
Typ.
2.6
2.7
0.1
50
30
0.2
Max.
3.1
3
2.7
3.2
3.1
2.8
100
60
1.2
V
A
ms
Notes 1: The voltage drop detection circuit is equipped with only the M34509G4H.
2: The detection voltage (VRST–) is defined as the voltage when reset occurs when the supply voltage (VDD) is falling.
3: The detection voltage (VRST+) is defined as the voltage when reset is released when the supply voltage (VDD) is rising from reset occurs.
4: In the M34509G4H, IRST is added to IDD (supply current).
5: The detection time (TRST) is defined as the time until reset occurs when the supply voltage (VDD) is falling to [VRST– – 0.1 V].
STCK
Parameter
Pin name
Machine cycle
Mi
Mi+1
D0–D5
P00–P03
P10–P13
P00–P03
P10–P13
P20, P21
System clock
Port output
Port input
D0–D5
INT
Interrupt input
P30, P31
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