Cypress CY7C1470BV25, CY7C1472BV25, CY7C1474BV25

CY7C1470BV25

CY7C1472BV25, CY7C1474BV25

Document #: 001-15032 Rev. *D Page 28 of 29

Figure 11. 209-Ball FBGA (14 x 22 x 1.76 mm), 51-85167

Package Diagrams (continued)

51-85167-**

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Contents

Main 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined SRAM with NoBL Architecture CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 Features Functional Description Selection Guide CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 Document #: 001-15032 Rev. *D Page 2 of 29 Logic Block Diagram CY7C1470BV25 (2M x 36) C ADV/LD Logic Block Diagram CY7C1474BV25 (1M x 72) ZZ ADV/LD A0,A1, A C MODE CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 Pin Configurations (2M 36) (4M 18) MODE CY7C1472BV25 CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 Pin Configurations NC/288M CY7C1472BV25 (4M x 18) 165-Ball FBGA (15 x 17 x 1.4 mm) Pinout CY7C1470BV25 (2M x 36) Pin Configurations CY7C1474BV25 (1M 72) 209-Ball FBGA (14 x 22 x 1.76 mm) Pinout A B C D E F G H J K L M N P R T U V W 123456789 1110 CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 Functional Overview Single Read Accesses Burst Read Accesses Single Write Accesses Sleep Mode ZZ Mode Electrical Characteristics Page Page IEEE 1149.1 Serial Boundary Scan (JTAG) Disabling the JTAG Feature Test Access Port (TAP) Performing a TAP Reset TAP Registers TAP Instruction Set CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 TAP AC Switching Characteristics 2.5V TAP AC Test Conditions TDO 1.25V 20pF 50 Z = 50 Page Boundary Scan Exit Order (4M x 18) Boundary Scan Exit Order (1M x 72) Maximum Ratings Operating Range Electrical Characteristics Capacitance Thermal Resistance AC Test Loads and Waveforms Switching Characteristics Switching Waveforms Figure 6 shows read-write timing waveform.[19, 20, 21] Figure 6. Read/Write Timing OE n-Out (DQ) BW Switching Waveforms I CLK ZZ A LL INPUTS (except ZZ) Ordering Information CY7C1470BV25 CY7C1472BV25, CY7C1474BV25 Ordering Information Package Diagrams Figure 9. 100-Pin Thin Plastic Quad Flatpack (14 x 20 x 1.4 mm), 51-85050 A Figure 10. 165-Ball FBGA (15 x 17 x 1.4 mm), 51-85165 Package Diagrams 51-85165-*A Page Document History Page