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MAX706SCSA

MSKSEMI · Supervisor And Reset ICs · SOP-8

MAX706SCSA from MSKSEMI, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 !MR input Manual reset input, with an internal 20kΩ typical pull-up (10 to 40kΩ).
2 VCC power_in Supply voltage; the 706S operates from 3.3V to 5.5V and its reset threshold is 2.93V typical.
3 GND power_in Ground.
4 PFI input Inverting input of the internal 1.25V comparator (power-fail threshold 1.25V typical).
5 !PFO output Output of the internal 1.25V comparator.
6 WDI input Watchdog input; leaving it floating disables the watchdog function (1.6s typical timeout).
7 !RESET output Active-low reset signal output, with a 200ms typical reset pulse width.
8 !WDO output Watchdog output.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOP-8
Category Power Management (PMIC)
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VCC operating voltage range (706xC) VCC 1.1 5.5 V 706xC, 708xC, 813L 5
Supply voltage range for 706/8S devices VCC 3.3 5.5 V 706/8S devices 5
Supply current ICC 75 140 µA 706xC, MR=VCC, WDI open, VCC<3.6V 5
Reset threshold (S device) VRT 2.85 2.93 3 V S device 5
Reset threshold hysteresis 40 mV 5
MR pulse width tMR 150 ns 4.5V < VCC < 5.5V 5
MR pulse width tMR 500 ns P/R/S/T devices, VRST(MAX) < VCC < 3.6V 5
MR to RESET output delay tMD 250 ns 4.5V < VCC < 5.5V 6
MR to RESET output delay tMD 750 ns P/R/S/T devices, VRST(MAX) < VCC < 3.6V 6
MR input threshold high VIH 2 V 4.5V < VCC < 5.5V 6
MR input threshold low VIL 0.8 V 4.5V < VCC < 5.5V 6
MR input threshold low VIL 0.6 V VRST(MAX) < VCC < 4.5V 6
MR pull-up resistance RP 10 20 40 kΩ 6
RESET output low voltage VOL 0.4 V ISINK = 3.2mA, 4.5V < VCC < 5.5V 6
RESET output low voltage VOL 0.3 V ISINK = 1.2mA, VRST(MAX) < VCC < 4.5V 6
WDO output low voltage VOL 0.4 V ISINK = 1.2mA, 4.5V < VCC < 5.5V 8
WDO output low voltage VOL 0.3 V ISINK = 500µA, VRST(MAX) < VCC < 4.5V 8
Watchdog timeout period tWD 1 1.6 2.25 s 706P/R VCC=3V; 706S/T VCC=3.3V; 706J VCC=4.4V 7
WDI pulse width tWP 100 ns VIL = 0.4V, VIH = 0.8VCC, VRST(MAX) < VCC < 4.5V 7
WDI pulse width tWP 50 ns VIL = 0.4V, VIH = 0.8VCC, 4.5V < VCC < 5.5V 7
WDI input threshold high VIH 3.5 V VCC = 5V 7
WDI input threshold low VIL 0.8 V 7
WDI input threshold low VIL 0.6 V VRST(MAX) < VCC < 4.5V 7
WDI input current 50 150 µA WDI = VCC, 706, 705/6, 813L 7
WDI input current -150 -50 µA WDI = 0V, 706, 705/6, 813L 7
PFI input threshold (falling) 1.2 1.25 1.3 V PFI falling, P/R device VCC=3V; S/T device VCC=3.3V; J device VCC=4.4V 8
PFI input current -25 0.01 25 nA 8
PFO output low voltage VOL 0.4 V ISINK = 3.2mA, 4.5V < VCC < 5.5V 8
PFO output low voltage VOL 0.3 V ISINK = 1.2mA, VRS (MAX) < VCC < 4.5V 8
Operating temperature (commercial, SCSA/T ordering) 0 70 °C 706SCSA/T 8-pin SOP ordering entry 16

CAD (KiCad official)

  • Symbol: MAX706SCSA
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: max706scsa-etched.step / max706scsa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max706scsa.step / max706scsa.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MSKSEMI datasheet (20 pp, sha256 a5d1d68be0f7c959, retrieved 2026-10-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF