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  | CY7C1223H | 
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Truth Table for Read/Write[2, 3]  | 
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  | Function | 
  | GW  | 
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  | BWE  | 
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  | BW  | A  | 
  | BW  | B  | 
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Read  | 
  | H  | 
  | H  | 
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  | X  | 
  | X  | 
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Read  | 
  | H  | 
  | L  | 
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  | H  | 
  | H  | 
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Write byte A - (DQA and DQPA)  | 
  | H  | 
  | L  | 
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  | L  | 
  | H  | 
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Write byte B- (DQB and DQPB)  | 
  | H  | 
  | L  | 
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  | H  | 
  | L  | 
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Write all bytes  | 
  | H  | 
  | L  | 
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  | L  | 
  | L  | 
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Write all bytes  | 
  | L  | 
  | X  | 
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  | X  | 
  | X  | 
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ZZ Mode Electrical Characteristics
Parameter | Description | Test Conditions | Min. | Max. | Unit | 
IDDZZ  | Sleep mode standby current  | ZZ > VDD − 0.2V  | 
  | 40  | mA  | 
tZZS  | Device operation to ZZ  | ZZ > VDD − 0.2V  | 
  | 2tCYC  | ns  | 
tZZREC  | ZZ recovery time  | ZZ < 0.2V  | 2tCYC  | 
  | ns  | 
tZZI  | ZZ Active to sleep current  | This parameter is sampled  | 
  | 2tCYC  | ns  | 
tRZZI  | ZZ inactive to exit sleep current  | This parameter is sampled  | 0  | 
  | ns  | 
Document #:   | Page 7 of 16  | 
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