6/17/2003
Part Numbering System
Real Time Clocks
RX-8581SA
Base Model No./ Pkg
RX-4581NB SON 22pin
RTC-9701JE VSOJ 20pin
RTC-4701JE VSOJ 20pin
RTC-4701NB SON 22pin
RTC-4574JE VSOJ 20pin
RTC-4574SA SOP 14pin
RTC-4574NB SON 22pin
RTC-4553 SOP 14pin
RTC-4543SA SOP 14pin
RTC-4543SB SOP 18pin
RX-4591CF SON 10pin
RX-4702CF SON 10pin
RTC-8564JE VSOJ 20pin
RTC-8564NB SON 22pin
RX-8581SA SOP 14pin
RX-8581JE VSOJ 20pin
RX-8581NB SON 22pin
RX-8564CF SON 10pin
RX-8025SA SOP 14pin
RX-8025NB SON 22pin
RTC-7301SF SSOP 24pin
RTC-7301DG DIP 18pin
RTC-62421 DIP 18pin
RTC-62423 SOP 24pin
RTC-72421 DIP 18pin
RTC-72423 SOP 24pin
B 0
Frequency Tolerance
RX-4581NB B=5+/-23ppm
RTC-9701JE B=5+/-23ppm
RTC-4701JE B=5+/-23ppm
RTC-4701NB B=5+/-23ppm
RTC-4574JE B=5+/-23ppm
RTC-4574SA B=5+/-23ppm
RTC-4574NB B=5+/-23ppm
RTC-4553 A=5+/-10ppm, AA=5+/-5ppm,
B=5+/-20ppm
RTC-4543SA A=5+/-12ppm, B=5+/-23ppm
RTC-4543SB A=5+/-12ppm, B=5+/-23ppm
RX-4591CF B=5+/-23ppm
RX-4702CF B=5+/-23ppm
RTC-8564JE B=5+/-23ppm
RTC-8564NB B=5+/-23ppm
RX-8581SA B=5+/-23ppm
RX-8581JE B=5+/-23ppm
RX-8581NB B=5+/-23ppm
RX-8564CF B=5+/-23ppm
RX-8025SA AA=5+/-5ppm
RX-8025NB AA=5+/-5ppm
RTC-7301SF B=5+/-23ppm
RTC-7301DG B=5+/-23ppm
RTC-62421 A=+/-10ppm, B=+/-50
RTC-62423 A=+/-20ppm, B=+/-50
RTC-72421 A=+/-10ppm, B=+/-50
RTC-72423 A=+/-20ppm, B=+/-50
Tape & Reel Qty
SOP Package Type Only
0: 1000 pcs. per reel
3: 250 pcs. per reel
DIP Package Type Only
S: 25pcs/Stick
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