GPS (AT28C64B-15JU)

The AT28C64B-15JU is one member of the AT28C64X family which is designed as the low-power, high-performance 8, 192 words by 8 bit nonvolatile electrically erasable and Programmable Read Only Memory with popular, easy to use features. The device is manufactured with Atmel's reliable nonvolatile technology.

Features of the AT28C64B-15JU are: (1)DATA polling for end of program detection; (2)commercial and industrial temperature ranges; (3)fast read access time - 120 ns; (4)fast byte write - 200 ms or 1 ms; (5)direct microprocessor control: READY/BUSY open drain output; (6)high reliability; (7)low power: 30 mA active current and 100 mA CMOS standby current; (8)two 8 KB boot blocks with lockout; (9)CMOS and TTL compatible inputs and outputs; (10)internal program control and timer; (11)fast read access time - 120 ns; (12)JEDEC approved byte-wide pinout.

The absolute maximum ratings of the AT28C64B-15JU can be summarized as: (1)temperature under bias: -55° C to +125° C; (2)storage temperature: -65° C to +150° C; (3)all input voltages (including NC pins) with respect to ground: -0.6V to +6.25V; (4)all output voltages with respect to ground: -0.6V to Vcc+0.6V; (5)voltage on OE with respect to ground: -0.6V to +13.5V.

The DC characteristics of the AT28C64B-15JU can be summarized as: (1)input load current: 10 uA; (2)output leakage current: 10 uA; (3)Vcc standby current CMOS : 100 uA; (4)Vcc standby current CMOS (Ind. ): 100 uA; (5)Vcc standby current TTL: 3 mA; (6)Vcc active current: 30 mA; (7)input low voltage: 0.8 V; (8)input high voltage: 2.0 V; (9)output low voltage: . 45 V; (10)output high voltage: 2.4 V.