WS57C45-25 STMICROELECTRONICS [STMicroelectronics], WS57C45-25 Datasheet
WS57C45-25
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WS57C45-25 Summary of contents
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... OE/ CP/PGM GND GND WS57C45- WS57C45 Flatpack INIT ...
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... Add 2 mA/MHz for AC Operation V = 5.5V or Gnd 5 Gnd OUT ± 0.3V. 3. This parameter is only sampled and is not 100% tested. CC ≥ 2.0V. CONDITIONS T = 25° MHz Over Operating Range. (See Above) WS57C45-25 SYMBOL MIN MAX PWC ...
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... SOE HOE SOE HOE HOE PWC PWC PWC PWC PWC HZC LZC 8-BIT O 4 EDGE- TRIGGERED O 3 REGISTER TEST 1.5 1.5 POINTS HZOE LZOE WS57C45 2-23 ...
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... WS57C45 NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.60 1.40 1.20 1.00 0.80 0.60 4.0 4.5 5.0 SUPPLY VOLTAGE ( V ) NORMALIZED T aa vs. AMBIENT TEMPERATURE 1.6 1.4 1.2 1.0 0.8 0.6 -55 -35 - AMBIENT TEMPERATURE ( °C ) 2-24 5.5 6 105 125 TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0.0 200 400 600 CAPACITANCE ( pF ) NORMALIZED SUPPLY CURRENT vs. AMBIENT TEMPERATURE 1.2 1.1 1.0 0.9 0.8 -55 -35 - AMBIENT TEMPERATURE (°C) ...
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... Initialization Byte Programming The WS57C45 has a 2049th byte of data that can be used to initialize the value of the data register. This byte contains the value “0” when it is shipped from the factory. The user must program the 2049th byte with a value other than “ ...
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... Clocking CP/PGM once more from V impedance state. Blank Check Upon delivery from WaferScale Integration, Inc. or after each erasure (see Erasure section), the WS57C45 has all 2048 bytes in the ‘0’ state. “1’s” are loaded into the WS57C45 through the procedure of programming. MODE ...
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... PROGRAM DATA PROGRAM OTHER BYTES WS57C45 2-27 ...
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... WS57C45 PROGRAMMING INFORMATION DC CHARACTERISTICS SYMBOLS Input Leakage Current Supply Current During Programming Pulse I V Supply Current Input Low Voltage IL V Input High Voltage IH Output Low Voltage During Verify mA) OL Output High Voltage During Verify ...
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... ORDERING INFORMATION SPEED PART NUMBER (ns) WS57C45-25T 25 * WS57C45-35KMB 35 WS57C45-35S 35 WS57C45-35T 35 * WS57C45-35TMB 35 * WS57C45-45KMB 45 * WS57C45-45TMB 45 NOTE: The actual part marking will not include the initials "WS." * SMD product. See section 4 for DESC SMD numbers. PROGRAMMING/ALGORITHMS/ERASURE/PROGRAMMERS The WS57C45 is programmed using Algorithm A shown on page 5-3. Return to Main Menu ...