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RD3ST24 Dataheets PDF



Part Number RD3ST24
Manufacturers Renesas
Logo Renesas
Description Standby Controller
Datasheet RD3ST24 DatasheetRD3ST24 Datasheet (PDF)

RD3ST24 Standby Control IC REJ03D0521-0200 Rev.2.00 Mar 01, 2006 Description RD3ST24 is including the standby control circuit for a microcomputer in 8 pin packages. When MSTB input "Low", SWOUT output "Low", STBYOUT output become “High” and cancels standby condition. And RESOUT output becomes ''High'' after it passed period (t1*) when it is stable the oscillation that was set up with RC bill outside and cancel the reset condition of a microcomputer. Also when MSTB input "Low", RESOUT output bec.

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RD3ST24 Standby Control IC REJ03D0521-0200 Rev.2.00 Mar 01, 2006 Description RD3ST24 is including the standby control circuit for a microcomputer in 8 pin packages. When MSTB input "Low", SWOUT output "Low", STBYOUT output become “High” and cancels standby condition. And RESOUT output becomes ''High'' after it passed period (t1*) when it is stable the oscillation that was set up with RC bill outside and cancel the reset condition of a microcomputer. Also when MSTB input "Low", RESOUT output becomes "Low" and makes reset condition. After the delay time (t2) of prescription passed subsequently, SWOUT output "High" STBYOUT output becomes "Low" and makes a microcomputer standby condition. *: t1 = K•RC (K is coefficient: Reference of application data) Features • Supply voltage range: 2.3 to 5.5 V • Temperature range: –40 to +85°C • Output current: ±6mA (@VCC=3.0V), ±12mA (@Vcc=4.5V) • Ordering Information Part Name Package Type Package Code (Previous Code) RD3ST24USE SSOP-8 pin PVSP0008KA–A (TTP-8DBV) Package Abbreviation US Taping Abbreviation (Quantity) E (3,000 pcs/reel) Outline and Article Indication • RD3ST24 Index band Lot No. SSOP-8 YMW S24 Y : Year code (the last digit of year) M : Month code W : Week code Marking Rev.2.00 Mar 01, 2006 page 1 of 9 RD3ST24 Pin Arrangement BATT 1 SWOUT 2 MSTB 3 GND 4 8 Vcc 7 RESOUT 6 STBYOUT 5 RxCx Pin Description BATT SWOUT MSTB GND RxCx STBYOUT RESOUT VCC Symbol Pin Name The battery power supply Output for Power MOS FET control Manual standby Input Ground Terminal for external resistance and capacitance Standby Output Reset Output Power supply Rev.2.00 Mar 01, 2006 page 2 of 9 RD3ST24 Absolute Maximum Ratings Item Symbol Ratings Unit Test Conditions Supply voltage range Input voltage range *1 Output voltage range *1, 2 VCC –0.5 to 7.0 V VI –0.5 to VCC + 0.5 V VO –0.5 to VCC + 0.5 V Output: H or L –0.5 to 7.0 VCC: OFF Input clamp current IIK ±20 mA VI < 0 Output clamp current IOK ±50 mA VO < 0 or VO > VCC Continuous output current IO ±25 mA VO = 0 to VCC Continuous current through VCC or GND ICC or IGND ±50 mA Maximum power dissipation at Ta = 25°C (in still air) *3 PT 200 mW Storage temperature Tstg –65 to 150 °C Notes: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore no two of which may be realized at the same time. 1. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. This value is limited to 6.0 V maximum. 3. The maximum package power dissipation was calculated using a junction temperature of 150°C. Recommended Operating Conditions Item Supply voltage range Input voltage range Output voltage range Output current Symbol VCC, BATT VI VO IOH IOL External resistance External capacitance Operating free-air temperature RX CX Ta Min 2.3 0.0 0.0 — — — — 1.0 — –40 Typ — — — — — — — — Unlimited — Max 5.5 VCC 5.5 –6 –12 6 12 — — 85 Unit V V V mA kΩ F °C Conditions VCC = 3.0 V to 3.6 V VCC = 4.5 V to 5.5 V VCC = 3.0 V to 3.6 V VCC = 4.5 V to 5.5 V Rev.2.00 Mar 01, 2006 page 3 of 9 RD3ST24 Electrical Characteristic Ta = –40 to 85°C Item Symbol VCC BATT Min Typ Max Unit (V) (V) Test condition Input voltage VIH 2.5±0.2 0.7×VCC — —V 3.3±0.3 0.7×VCC — — 5.0±0.5 0.7×VCC — — VIL 2.5±0.2 — — 0.3×VCC V 3.3±0.3 — — 0.3×VCC 5.0±0.5 — — 0.3×VCC Output voltage VOH 3.0 3.0 2.9 — — V IOH=–100µA 2.48 — — IOH=–6mA 4.5 4.5 4.4 — — IOH=–100µA 3.8 — — IOH=–12mA VOL 3.0 3.0 — — 0.1 V IOL=100µA — — 0.44 IOL=6mA 4.5 4.5 — — 0.1 IOL=100µA — — 0.55 IOL=12mA Input current Output leakage current IIN IOFF 5.5 5.5 00 — — — ±10 µA VIN=0V or VCC, RXCX=GND — ±10 µA VO=5.5V, RXCX=GND (RESOUT, STBYOUT, SWOUT) Quiescent supply current ICC ICC (BATT) 5.5 5.5 0 5.5 5.5 5.5 — — — — ±10 µA VIN=0V or VCC, RXCX=GND — ±10 uA — ±10 uA Switching Characteristics Ta = –40 to 85°C Item Symbol VCC (V) *1 BATT (V) Min Typ Max Unit Test condition Propagation delay time t1 3.3 3.3 80 95 110 µs RX=10kΩ, CX=0.01µF 0.8 0.95 1.1 ms RX=10kΩ, CX=0.1µF 80 95 110 ms RX=100kΩ, CX=1.0µF 5.0 5.0 80 95 110 µs RX=10kΩ, CX=0.01µF 0.8 0.95 1.1 ms RX=10kΩ, CX=0.1µF 80 95 110 ms RX=100kΩ, CX=1.0µF t2 3.3 3.3 125 — 250 ns 5.0 5.0 70 — 160 ns Note: 1. Ta = 25°C Rev.2.00 Mar 01, 2006 page 4 of 9 RD3ST24 Timing Diagram MSTB RESOUT STBYOUT t1 SWOUT Application Circuit VCC=3.3V t2 F VCC GND VOH VOL VOH VOL VOH VOL BATT SWOUT MSTB GND VCC RESOUT STBYOUT RXCX Control IC (RD3ST24) F VOUT CDLY VDD VSS VMRN RESET IC VCC 22kΩ RES STBY 22kΩ Standerd Microcomputer Notes: 1. CDLY terminal of RESET IC becomes shortest that delay time the setting. 2. VOUT of RESET IC is not connected to a direct microcomputer. Rev.2.00 Mar 01, 2006 page 5 of 9 RD3ST24 Application Data 10000.0 1000.0 100.0 10.0 1.0 0.1 10 2 10000.0 1000.0 100.0 10.0 1.0 0.1 10 2 Vcc = 5.0 V Rext 10 3 10 4 10 5 Ti.


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