LE28CW1001DT-15 Sanyo Semiconductor Corporation, LE28CW1001DT-15 Datasheet
LE28CW1001DT-15
Related parts for LE28CW1001DT-15
LE28CW1001DT-15 Summary of contents
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... Hardware and Software Data Protection TTL I/O Compatibility JEDEC Standard Byte-Wide EEPROM Pinouts Packages Available LE28CW1001DT :32-pin TSOP (8mm × 20mm) Normal LE28CW1001DTS :32-pin TSOP (8mm × 14mm) Normal The LE28CW1001D is best suited for application that require reprogrammable nonvolatile storage of program or Technology. ...
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... NC 9 A16 10 A15 11 A12 Figure2: Functional Block Diagram of LE28CW1001D LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Top Viewl ( Top View ) Figure 1: Pin Assignments for 32-pin TSOP X-Address Buffers and Latches A16-A7 Y-Address Buffers and Latches A6-A0 CE Control Logic OE WE SANYO Electric Co., Ltd. ...
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... Write 4 Write 5 Write * Address format A14-A0 (Hex.) LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM To provide memory address. Address are internally latched during write cycle. To output data during read cycle and receive input data during write cycles. Data is internally latched during a write cycle. The outputs are in tri-state when high. ...
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... Notes for Software Product ID Command Code: 1. Command Code Address format: A14-A0 (Hex) 2. With A16-A1=0, SANYO Manufacture Code = BFH is read with A0=0 LE28CW1001D Device Code =07H is read with A0=1 3. The device does not remain in Software product ID Mode if powered down. LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Product ID Entry Data AAH 55H ...
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... WE dose not switch from high to low after the last WE rising edge. The data in the page buffer can be rewritten in the next byte load cycle. LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM The page load period can continue indefinitely as long as host continues to load data into the device within the 100 s byte load cycle ...
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... Also, users systems can recognize the product number using software product identification mode. Figure 14 shows the flowchart for this operation. The manufacturer and device codes are the same in both modes. LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM SANYO Electric Co., Ltd. 6/16 ...
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... Output Low Voltage OL V Output High Voltage OH Power-up Timings Symbol tPU_READ Power-up to Read Operation tPU_WRITE Power-up to Write Operation V Capacitance at Ta=25 C, =2.7V CC Symbol C DQ Pin Capacitance DQ C Input Capacitance IN LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Ratings Unit -0.5V 4.6V V -0. -0.5V + 0.5V CC -0.5V 14V 600 mW 0 +70 -65 +150 at Ta=0 to +70 C Min ...
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... CE Pulse Width tWP WE Pulse Width tDS Data Setup time tDH Data Hold time tBLC Byte Load Cycle Time tBLCO Byte Load Cycle Time-out LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM =2.7V 3.6V CC =100pF L LE28CW1001DT/DTS-15 LE28CW1001DT/DTS-20 Min. 150 Min. 0 100 120 120 100 0 ...
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... CE OE VIH WE High-Z DQ7-0 Figure 4: WE Controlled Page Write Cycle Timing Diagram tAS tAH A16-0 tCS CE tOES OE WE DQ7-0 LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM tRC tCE tOE tOLZ tOH tCLZ DATA VALID tCH tOEH tWP tBLC tDS tDH DATA VALID Byte 0 Byte 1 SANYO Electric Co ...
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... A16-0 CE tOES OE tCS WE DQ7-0 Figure 6: DATA Polling Timing Diagram A16 tBLCO CE tOEH OE DQ7 DIN=X LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM tCP tBLC tOEH tCH tDS tDH DATA VALID Byte 0 Byte 1 AN tWC tCE tOE DOUT=X SANYO Electric Co.,Ltd. tWC tBLCO ...
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... A16-0 5555 2AAA DQ7 tWP tBLC WE SW0 Note 1): The time between enabling Software Data Protect and the page load must be less than tBLCO LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM tWC+tBLCO tCE tOE 5555 SW1 SW2 Byte 0 Page load cycle starts SANYO Electric Co ...
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... CE OE tWP tBLC WE SW0 Figure 10: AC Input/Output Reference Waveform 2.4V AC drive level 0.4V The input rise and fall times (10% 90%) must not exceed 10ns. LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Six-byte sequence for disabling Software Data Protection 5555 5555 2AAA SW1 SW2 ...
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... Preliminary Specifications Figure 11: Write Algorithm LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Start Software Date Protect Enable Command Set Page Address Set Byte Address = 0 Load Byte Data Increment Byte address by 1 Byte No Address = 128 ? Yes Wait T BLCO Wait for end of Write (Twc, Toggle bit or ...
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... Preliminary Specifications Figure 12: Write Wait Options Internal Timer Page Write initiated Wait Twc Write complete LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Toggle Bit Page write initiated Read a byte from page Read same byte No Does DQ6 match ? Yes Write complete SANYO Electric Co.,Ltd. ...
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... Write data: 55 Address: 2AAA Write data: A0 Address: 5555 Load 0 to 128 Bytes of page data Wait Twc SDP Enabled LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Optional Page Load Operation SANYO Electric Co.,Ltd. Software Data Protect Disable Command Sequence Write data: AA Address: 5555 Write data: 55 ...
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... Preliminary Specifications Figure 14: Software Product Command Codes Software Product ID Entry LE28CW1001DT/DTS-15/20 1M-Bit Page Mode EEPROM Software Product ID Exit Command Sequence Write data: AA Address: 5555 Write data: 55 Address: 2AAA Write data: 80 Address: 5555 Write data: AA Address: 5555 Write data: 55 Address: 2AAA Write data: 60 ...
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