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ACE93C46FMTH Scheda tecnica(PDF) 5 Page - ACE Technology Co., LTD. |
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ACE93C46FMTH Scheda tecnica(HTML) 5 Page - ACE Technology Co., LTD. |
5 / 13 page ACE93C46 Technology Three-wire Serial EEPROM VER 1.2 5 Symbol Parameter Test Condition Min Typ Max Units tdih DI Hold Time Relative to SK 4.5≦Vcc≦5.5v 2.7≦Vcc≦5.5V 1.8V≦Vcc≦5.5V 100 100 400 ns tpd1 Output Delay to “1” AC Test 4.5≦Vcc≦5.5v 2.7≦Vcc≦5.5V 1.8V≦Vcc≦5.5V 250 250 1000 ns tpd0 Output Delay to “0” AC Test 4.5≦Vcc≦5.5v 2.7≦Vcc≦5.5V 1.8V≦Vcc≦5.5V 250 250 1000 ns tsv CS to Status Valid AC Test 4.5≦Vcc≦5.5v 2.7≦Vcc≦5.5V 1.8V≦Vcc≦5.5V 250 250 1000 ns tdf CS to DO in High Impedance AC Test CS=VIL 4.5≦Vcc≦5.5v 2.7≦Vcc≦5.5V 1.8V≦Vcc≦5.5V 100 100 400 ns twp Write Cycle Time 1.5 5 ms Endurance (1) 5.0V, 25℃ 1M Write Cycle Note: 1. This parameter is characterized and is not 100% tested. Functional Description The ACE93C46 is accessed via a simple and versatile three-wire serial communication interface. Device operation is controlled by seven instructions issued by the host processor. A valid instruction starts with a rising edge of CS and consists of a start bit (logic“1”) followed by the appropriate op code and the desired memory address location. Instruction Set for the ACE93C46 Address Data Instruction SB OP Code *8 *16 *8 *16 Comments READ 1 10 A6-A0 A5-A0 Read data stored in memory, at specified address EWEN 1 00 11XXXXX 11XXXX Write enable must precede all programming modes REASE 1 11 A6-A0 A5-A0 Erase memory location An-A0 WRITE 1 01 A6-A0 A5-A0 D7-D0 D15-D0 Writes memory location An-A0 ERAL 1 00 10XXXXX 10XXXX Erases all memory locations. Valid only at VCC=4.5V to 5.5V WRAL 1 00 01XXXXX 01XXXX D7-D0 D15-D0 Writes all memory locations. Valid |
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