IC for CMOS System Reset PST35XX, 36XX
MITSUMI
IC for CMOS System Reset
Monolithic IC PST35XX, 36XX Series
March 21, 2004
Outline
This system reset IC, developed using the CMOS process, has a built-in delay function. Ultra-low
consumption current of 1.0µA (typ.). has been achieved through use of the CMOS process. Also, detection
voltage is high-precision detection of ±±2. The small pacꢀage MꢁL-ꢂ (1.1 1.ꢂ 0.ꢃmm) is used for space
saving.
Features
1. Ultra-low current consumption
±. High-precision detection voltage
3. Operating range
1.0µA typ. (VDD = Vs + 1V)
±±2
0.7 ~ 10V
ꢂ. Wide operating temperature range
5. Detection voltage
-30 ~ +85°C
0.9 ~ ꢃ.0V (0.1V step)
ꢃ. Delay time can be easily set with an external component (capacitor).
Packages
SOT-±5A (PST35XXNR, PST3ꢃXXNR)
SC-8±ABA, SC-8±ABB (PST3ꢃXXUR, PST3ꢃXXUR)
SSON-ꢂ
Applications
1. Reset circuits for microcomputers, CPUs and MPUs
±. Reset circuits for logic circuits
3. Battery voltage checꢀ circuits
ꢂ. Bacꢀ-up power supply switching circuits
5. ꢁevel detection circuits
ꢃ. Delay time can be easily set with an external component (capacitor).
Pin Assignment
5
1
4
3
4
1
3
2
1
2
3
4
5
OUT
VDD
GND
NC
1
2
3
4
GND
VDD
Cd
2
OUT
Cd
SOT-±5A
(TOP VIEW)
SC-8±ABA
SC-8±ABB
(TOP VIEW)
ꢂ
3
1
GND
OUT
Cd
2
3
4
1
±
VDD
SSON-ꢂ
(TOP VIEW)
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
