Two suggestions.
  • Take a 100K resitor from +5V to your ammeter, and the other lead to ground.
    If your meter is working correctly, you should get a reading of 50uA.
    <br>
  • Remove the inputs from any of the pins that you can.
    Compile and load this program ...
    Code:
    ASM  ; 16F690
  ifdef PM_USED                  ; For PM assembler
    device  INTRC_OSC_NOCLKOUT   ;   Oscillator Selection
    device  FCMEN_OFF            ;   Fail-Safe Clock Monitor
    device  IESO_OFF             ;   Internal External Switchover
    device  BOD_OFF              ;   Brown-out Detect
    device  CPD_OFF              ;   Data Code Protection
    device  PROTECT_OFF          ;   Code Protection
    device  MCLR_OFF             ;   Master Clear Reset
    device  PWRT_OFF             ;   Power-up Timer
    device  WDT_OFF              ;   Watchdog Timer

  else                            ; For MPASM assembler
cfg=      _INTRC_OSC_NOCLKOUT     ;   Oscillator Selection
cfg=cfg&  _FCMEN_OFF              ;   Fail-Safe Clock Monitor
cfg=cfg&  _IESO_OFF               ;   Internal External Switchover
cfg=cfg&  _BOR_OFF                ;   Brown-out Reset
cfg=cfg&  _CPD_OFF                ;   Data Code Protection
cfg=cfg&  _CP_OFF                 ;   Code Protection
cfg=cfg&  _MCLRE_OFF              ;   Master Clear Reset
cfg=cfg&  _PWRTE_OFF              ;   Power-up Timer
cfg=cfg&  _WDT_OFF                ;   Watchdog Timer
  __CONFIG  cfg

  endif
ENDASM

END   ; Enter Comma (sleep forever with no hope of waking)