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NS32FX211N
Microprocessor Compatible Real Time C
TL/F/11011
NS32FX211
Microprocessor
Compatible
Real
Time
Clock
May 1993
NS32FX211 Microprocessor Compatible Real Time Clock
General Description
The NS32FX211is fabricated usinglow threshold CMOS
technology andis designedto operateinbus orientedmi-
croprocessor systems whereareal time clockand calendar
functionare required. The on-chip 32.768kHz crystal con-
trolled oscillatorwill maintain timekeeping downto 2.2Vto
allowlow power standby battery operation.
Applications Fax machines Laser printers Word processors Data logging Industrial process control
Features Low power standby operation(10mAat 2.2V) 16-pinDIP and 20-pin PLCC Timekeeping from tenthsto secondsto tensof yearsin
independently accessible registers Leap year register Hours counter programmablefor12or 24-hour
operation Fully TTL/CMOS compatible
Connection Diagrams
Dual-In-Line Package
TL/F/11011–1Top View
PCC Package
TL/F/11011–2
FIGURE1
Order NumberNS32FX211N, NS32FX211V
SeeNS Package Number N16Aor V20A
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
