RNA53A27FUSH1

Target Specification Datasheet RNA53A27F System Organizer IC for Dedicate Microcomputer R03DS0022EJ0300 Rev.3.00 Jun 26, 2013 Description RNA53A27F is reset function and reference voltage output for microcontroller has been installed. Provide support for Renesas MCU operation. Features Reset detection voltage: 2.745 V ± 1% Standard voltage: 3.050 V ± 0.8% Delay time: 50,100 ms (fine regulation by resistance is possible) Corresponds to manual reset Sleep mode is installed Ordering Information Part Name Package Type RNA53A27FUSH1 SSOP-8 Package Code PVSP0008KA-A Package Abbreviation US Taping Abbreviation (Quantity) H (3,000 pcs/reel) Surface Treatment 1 (Sn/Bi) Application Power supply voltage monitoring for microprocessors Computers and notebook computers Digital still camera, digital video camera, and PDA Block Diagram VDD 7 SLP 2 ROSC 1 R1 R2 Vref Comp1 + – OP1 + – R4 R3 I1 I2 R Oscillator R Delay circuit 50 ms 100 ms I3 38 MR S0 5 VOUT 6 VREFO 4 GND R03DS0022EJ0300 Rev.3.00 Jun 26, 2013 Page 1 of 6 RNA53A27F Timing Chart Target Specification VDD VDD MR GND SLP VDD GND VOUT VDD GND VSH tpw = 3 (μs) min Set low pulse width by value is longer 3 μs. VS VSH VS td td td VREFO VREFO GND uncertainty 0.9 × td 0.9 × td 0.9 × td 0.9 × td uncertainty Microcomputer operation (reference) Resetting operation Usually operation AD operation Resetting operation AD operation Usually operation AD stop AD operation Reset...