AM8224 ETC2 | Alldatasheet
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Technical content
Clock Generator and Driver for 8080A Compatible Microprocessors Distinctive Characteristics © Single chip clock generator/driver for 80B0A com- © Available for operation over both commercial and patible CPU military temperature ranges © Power-up reset for cr ft © Crystal controlled for stable system operation @ Ready synct ronizing lip-flop © Reduces system package count © Status strobe signal Sel © Oscillator output for external system timing © Advanced Schottky processing © Am8224-4 version available for use with 1ysec in struction cycle of Am9080A-4 FUNCTIONAL DESCRIPTION PIN DEFINITION The Am8224 is a single chip Clock Generator/Driver for the Am9080A and 8080A CPU. It contains a erystal-controlled oscillator, a “divide by nine” counter, two high-level drivers and several auxiliary logic functions, including a power-up Teset, status strobe and synchronization of ready. Also pro- CONNECTIONS FOR CRYSTAL vided are TTL compatible oscillator and ¢ outputs for TANK external system timing. The Am8224 provides the, designer a OSLO MITH OVERTONE XTAL with a significant reduction of packages used to generate osc clocks and timing for the Am9080A or 8080A for both com- mercial and military temperature range applications. A high speed version, the Am8224-4, is available for use with the high [Yoo [zy sone AmeODAS. | | Resi | neserinpor id LOGIC DIAGRAM | aeser | neser over] seat 8 > READY OUTPUT ; : ee ses a GEN > a ay x0 69 emu sme LoD Do om P +1[ A ‘ CONNECTION DIAGRAM fovin CI e 8 feapy Top View c tests seser C]1® PV vce ORDERING INFORMATION mex Ge “pm rovw Os PF neaov Ja PD ran Package Temperature Order oe ce Type Range Number q "B Hermetic DIP 55°C to +125°C ‘AM8224DM wm q ‘ Hermetic DIP O°C to #70°C 8224 ai a Molded DIP OC to +70°C AM8224PC ono Os 2D 00 Dice O°C to +70°C AMB224XC_ Hermetic DIP O°C to +70°C ‘AM8224-40C* * For use with A90BOA-4 with clock period between 260ns and 320ns. Note: Pin 1 is markec tor orientation. uic-620 €20