Cypress CY14B102L, nvSRAM - page 17

PRELIMINARY

CY14B102L, CY14B102N

Document #: 001-45754 Rev. *B Page 17 of 24

25 CY14B102L-ZS25XCT 51-85087 44-pin TSOP II Commercial

CY14B102L-ZS25XIT 51-85087 44-pin TSOP II Industrial

CY14B102L-ZS25XI 51-85087 44-pin TSOP II

CY14B102L-ZS25XAT 51-85087 44-pin TSOP II Automotive

CY14B102N-BA25XCT 51-85128 48-ball FBGA Commercial

CY14B102L-BA25XIT 51-85128 48-ball FBGA Industrial

CY14B102L-BA25XI 51-85128 48-ball FBGA

CY14B102N-BA25XAT 51-85128 48-ball FBGA Automotive

CY14B102L-ZSP25XCT 51-85160 54-pin TSOP II Commercial

CY14B102L-ZSP25XIT 51-85160 54-pin TSOP II Industrial

CY14B102L-ZSP25XI 51-85160 54-pin TSOP II

CY14B102L-ZSP25XAT 51-85160 54-pin TSOP II Automotive

CY14B102N-ZS25XCT 51-85087 44-pin TSOP II Commercial

CY14B102N-ZS25XIT 51-85087 44-pin TSOP II Industrial

CY14B102N-ZS25XI 51-85087 44-pin TSOP II

CY14B102N-ZS25XAT 51-85087 44-pin TSOP II Automotive

CY14B102N-BA25XCT 51-85128 48-ball FBGA Commercial

CY14B102N-BA25XIT 51-85128 48-ball FBGA Industrial

CY14B102N-BA25XI 51-85128 48-ball FBGA

CY14B102N-BA25XAT 51-85128 48-ball FBGAI Automotive

CY14B102N-ZSP25XCT 51-85160 54-pin TSOP II Commercial

CY14B102N-ZSP25XIT 51 -85160 54-pin TSOP II Industri al

CY14B102N-ZSP25XI 51-85160 54-pin TSOP II

CY14B102N-ZSP25XAT 51-85160 54-pin TSOP II Automotive

Ordering Information (continued)

Speed

(ns) Ordering Code Package

Diagram Package Type Operating

Range

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Contents

Main CY14B102L, CY14B102N 2 Mbit (256K x 8/128K x 16) nvSRAM Features 20 ns, 25 ns, and 45 ns Access Times Internally organized as 256K x 8 (CY14B102L) or 128K x 16 (CY14B102N) Hands off Automatic STORE on power down with only a small CY14B102L, CY14B102N Document #: 001-45754 Rev. *B Page 2 of 24 Pinouts (x8) Top View Pin Definitions (x16) Pinouts CY14B102L, CY14B102N Device Operation SRAM Read SRAM Write AutoStore Operation Hardware RECALL (Power Up) Software STORE Software RECALL Preventing AutoStore Data Protection Noise Considerations Maximum Ratings Operating Range DC Electrical Characteristics AC Test Conditions Data Retention and Endurance Capacitance Thermal Resistance AC Switching Characteristics Switching Waveforms CY14B102L, CY14B102N Figure 7. SRAM Read Cycle #2: CE and OE Controlled[3, 15, 19] Figure 8. SRAM Write Cycle #1: WE Controlled[3, 18, 19, 20] Figure 9. SRAM Write Cycle #2: CE Controlled[3, 18, 19, 20] Figure 10. SRAM Write Cycle #3: BHE and BLE Controlled[3, 18, 19, 20] AutoStore/Power Up RECALL Figure 11. AutoStore or Power Up RECALL Software Controlled STORE/RECALL Cycle In the following table, the software controlled STORE/RECALL cycle parameters are listed.[26, 27] Figure 12. CE and OE Controlled Software STORE/RECALL Cycle[27] Figure 13. Autostore Enable/Disable Cycle CY14B102L, CY14B102N Hardware STORE Cycle :ULWHODWFKQRWVHW Figure 14. Hardware STORE Cycle[22] Figure 15. Soft Sequence Processing Truth Table For SRAM Operations For x8 Configuration For x16 Configuration Page Page Ordering Information Part Numbering Nomenclature I - Industrial (40 to 85C) Package Diagrams Figure 16. 44-Pin TSOP II (51-85087) TOPVIEW BOTTOMVIEW 51-85087-*A Figure 17. 48-Ball FBGA - 6 mm x 10 mm x 1.2 mm (51-85128) Package Diagrams 51-85128-*D Page Document History Page Sales, Solutions, and Legal Information Worldwide Sales and Design Support Products PSoC Solutions