Ricoh RH5RI653B-T1 VFM step-up DC/DC converter. Output voltage 6.5V. Internal Tr./External Tr. (selectively available)(oscillator frequency 100kHz, with chip enable function) Taping type T1
Catalyst CAT93C5613SI-42TE13 2K 4.25-4.5V Supervisory circuits with microwire serial CMOS EEPROM, precision reset controller and watchdog timer