Manual de instrucciones de Cypress CY7C1526V18

Manual de instrucciones del aparato Cypress CY7C1526V18

Aparato: Cypress CY7C1526V18
Categoría: Equipamiento para ordenador
Fabricante: Cypress
Tamaño: 0.75 MB
Fecha de añadido: 6/27/2014
Número de páginas: 32
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Resúmenes de contenidos
Resumen del contenido incluido en la página 11

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Write Cycle Descriptions [2, 10] The write cycle description table for CY7C1511V18 and CY7C1513V18 follows. BWS / BWS / 0 1 K Comments K NWS NWS 0 1 L L L–H – During the data portion of a write sequence: CY7C1511V18 − both nibbles (D ) are written into the device. [7:0] CY7C1513V18 − both bytes (D ) are written into the device. [17:0] L L – L-H During the data portion of a write sequence : CY7C1511V18 − both nibbles (D ) are written into the

Resumen del contenido incluido en la página 12

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Write Cycle Descriptions [2, 10] The write cycle description table for CY7C1515V18 follows. BWS BWS BWS BWS K K Comments 0 1 2 3 LLLL L–H – During the Data portion of a write sequence, all four bytes (D ) are written into [35:0] the device. LLLL – L–H During the Data portion of a write sequence, all four bytes (D ) are written into [35:0] the device. L H H H L–H – During the Data portion of a write sequence, only the lower byte (D ) is writte

Resumen del contenido incluido en la página 13

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Instruction Register IEEE 1149.1 Serial Boundary Scan (JTAG) Three-bit instructions can be serially loaded into the instruction These SRAMs incorporate a serial boundary scan Test Access register. This register is loaded when it is placed between the TDI Port (TAP) in the FBGA package. This part is fully compliant with and TDO pins, as shown in TAP Controller Block Diagram on IEEE Standard #1149.1-1900. The TAP operates using JEDEC page 16. Upon

Resumen del contenido incluido en la página 14

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 IDCODE PRELOAD places an initial data pattern at the latched parallel outputs of the boundary scan register cells before the selection The IDCODE instruction loads a vendor-specific, 32-bit code into of another boundary scan test operation. the instruction register. It also places the instruction register between the TDI and TDO pins and shifts the IDCODE out of the The shifting of data for the SAMPLE and PRELOAD phases can device when the TAP co

Resumen del contenido incluido en la página 15

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 TAP Controller State Diagram [11] The state diagram for the TAP controller follows. TEST-LOGIC 1 RESET 0 1 1 1 TEST-LOGIC/ SELECT SELECT 0 IDLE DR-SCAN IR-SCAN 0 0 1 1 CAPTURE-DR CAPTURE-IR 0 0 0 0 SHIFT-DR SHIFT-IR 1 1 1 1 EXIT1-DR EXIT1-IR 0 0 0 0 PAUSE-DR PAUSE-IR 1 1 0 0 EXIT2-DR EXIT2-IR 1 1 UPDATE-IR UPDATE-DR 1 1 0 0 Note 11. The 0/1 next to each state represents the value at TMS at the rising edge of TCK. Document Number: 38-05363 Rev. *

Resumen del contenido incluido en la página 16

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 TAP Controller Block Diagram 0 Bypass Register 2 1 0 Selection Selection TDI TDO Instruction Register Circuitry Circuitry 31 30 29 . . 2 1 0 Identification Register . 108 . . . 2 1 0 Boundary Scan Register TCK TAP Controller TMS TAP Electrical Characteristics [12, 13, 14] Over the Operating Range Parameter Description Test Conditions Min Max Unit V Output HIGH Voltage I = −2.0 mA 1.4 V OH1 OH Output HIGH Voltage I = −100 μA1.6 V V OH2 OH V Ou

Resumen del contenido incluido en la página 17

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 TAP AC Switching Characteristics [15, 16] Over the Operating Range Parameter Description Min Max Unit t TCK Clock Cycle Time 50 ns TCYC t TCK Clock Frequency 20 MHz TF t TCK Clock HIGH 20 ns TH t TCK Clock LOW 20 ns TL Setup Times t TMS Setup to TCK Clock Rise 5 ns TMSS t TDI Setup to TCK Clock Rise 5 ns TDIS t Capture Setup to TCK Rise 5 ns CS Hold Times t TMS Hold after TCK Clock Rise 5 ns TMSH t TDI Hold after Clock Rise 5 ns TDIH t Capture

Resumen del contenido incluido en la página 18

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Identification Register Definitions Value Instruction Field Description CY7C1511V18 CY7C1526V18 CY7C1513V18 CY7C1515V18 Revision Number 000 000 000 000 Version number. (31:29) Cypress Device ID 11010011011000100 11010011011001100 11010011011010100 11010011011100100 Defines the type of (28:12) SRAM. Cypress JEDEC ID 00000110100 00000110100 00000110100 00000110100 Allows unique (11:1) identification of SRAM vendor. ID Register 1111 Indicates th

Resumen del contenido incluido en la página 19

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 28 10G 56 6A 84 1J 1 6P29 9G 57 5B85 2J 2 6N 30 11F 58 5A 86 3K 3 7P 31 11G 59 4A 87 3J 4 7N32 9F 60 5C88 2K 5 7R 33 10F 61 4B 89 1K 6 8R 34 11E 62 3A 90 2L 7 8P 35 10E 63 2A 91 3L 8 9R 36 10D 64 1A 92 1M 9 11P 37 9E 65 2B 93 1L 10 10P 38 10C 66 3B 94 3N 11 10N 39 11D 67 1C 95 3M 12 9P 40 9C 68 1B 96 1N 13 10M 41 9D 69 3D 97 2M 14 11N 42 11B 70 3C 98 3P 15 9M 43 11C

Resumen del contenido incluido en la página 20

~ ~ CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 DLL Constraints Power Up Sequence in QDR-II SRAM ■ DLL uses K clock as its synchronizing input. The input must QDR-II SRAMs must be powered up and initialized in a have low phase jitter, which is specified as t . KC Var predefined manner to prevent undefined operations. ■ The DLL functions at frequencies down to 120 MHz. Power Up Sequence ■ If the input clock is unstable and the DLL is enabled, then the ■ Apply power and drive DOFF either H

Resumen del contenido incluido en la página 1

CY7C1511V18, CY7C1526V18
CY7C1513V18, CY7C1515V18
72-Mbit QDR™-II SRAM 4-Word
Burst Architecture
Features Functional Description
■ Separate independent read and write data ports The CY7C1511V18, CY7C1526V18, CY7C1513V18, and
CY7C1515V18 are 1.8V Synchronous Pipelined SRAMs,
❐ Supports concurrent transactions
equipped with QDR™-II architecture. QDR-II architecture
■ 300 MHz clock for high bandwidth
consists of two separate ports: the read port and the write port to
■ 4-word burst for reducing add

Resumen del contenido incluido en la página 2

2M x 8 Array 2M x 9 Array 2M x 8 Array 2M x 9 Array 2M x 8 Array 2M x 9 Array 2M x 8 Array 2M x 9 Array CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Logic Block Diagram (CY7C1511V18) 8 D [7:0] Write Write Write Write 21 Address A Reg Reg Reg Reg (20:0) Register 21 Address A (20:0) Register RPS K Control CLK K Logic Gen. C DOFF Read Data Reg. C CQ 32 V 16 REF 8 CQ Reg. Reg. Control WPS 8 Logic 8 8 16 NWS Q Reg. [1:0] [7:0] 8 Logic Block Diagram (CY7C1526V18) 9 D [8:0] Write Write Write Write

Resumen del contenido incluido en la página 3

1M x 18 Array 512K x 36 Array 1M x 18 Array 512K x 36 Array 1M x 18 Array 512K x 36 Array 1M x 18 Array 512K x 36 Array CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Logic Block Diagram (CY7C1513V18) 18 D [17:0] Write Write Write Write 20 Address A Reg Reg Reg Reg (19:0) Register 20 Address A (19:0) Register RPS K Control CLK K Logic Gen. C DOFF Read Data Reg. C CQ 72 V 36 REF CQ 18 Reg. Reg. Control 18 WPS Logic 18 18 36 BWS Q Reg. [17:0] [1:0] 18 Logic Block Diagram (CY7C1515V18) 36 D [35:

Resumen del contenido incluido en la página 4

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Pin Configuration [1] The pin configuration for CY7C1511V18, CY7C1526V18, CY7C1513V18, and CY7C1515V18 follow. 165-Ball FBGA (15 x 17 x 1.4 mm) Pinout CY7C1511V18 (8M x 8) 1 2 3 4 5 6 7 8 9 10 11 A CQ AA WPS NWS K NC/144M RPS AA CQ 1 B NC NC NC A NC/288M K NWS ANC NC Q3 0 C NC NC NC V ANC A V NC NC D3 SS SS D NC D4 NC V V V V V NC NC NC SS SS SS SS SS E NC NC Q4 V V V V V NC D2 Q2 DDQ SS SS SS DDQ F NC NC NC V V V V V NC NC NC DDQ DD SS DD DDQ

Resumen del contenido incluido en la página 5

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Pin Configuration (continued) [1] The pin configuration for CY7C1511V18, CY7C1526V18, CY7C1513V18, and CY7C1515V18 follow. 165-Ball FBGA (15 x 17 x 1.4 mm) Pinout CY7C1513V18 (4M x 18) 1 2 3 4 5 6 7 8 9 10 11 V /144M A CQ AWPS BWS K NC/288M RPS AA CQ SS 1 B NC Q9 D9 A NC K BWS ANC NC Q8 0 C NC NC D10 V ANC A V NC Q7 D8 SS SS D NC D11 Q10 V V V V V NC NC D7 SS SS SS SS SS E NC NC Q11 V V V V V NC D6 Q6 DDQ SS SS SS DDQ F NC Q12 D12 V V V V V NC

Resumen del contenido incluido en la página 6

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Pin Definitions Pin Name IO Pin Description D Input- Data Input Signals. Sampled on the rising edge of K and K clocks when valid write operations are active. [x:0] Synchronous CY7C1511V18 − D [7:0] CY7C1526V18 − D [8:0] CY7C1513V18 − D [17:0] CY7C1515V18 − D [35:0] WPS Input- Write Port Select − Active LOW. Sampled on the rising edge of the K clock. When asserted active, a Synchronous write operation is initiated. Deasserting deselects the writ

Resumen del contenido incluido en la página 7

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Pin Definitions (continued) Pin Name IO Pin Description CQ Echo Clock CQ Referenced with Respect to C. This is a free running clock and is synchronized to the input clock for output data (C) of the QDR-II. In the single clock mode, CQ is generated with respect to K. The timings for the echo clocks are shown in the Switching Characteristics on page 24. CQ Echo Clock CQ Referenced with Respect to C. This is a free running clock and is synchroniz

Resumen del contenido incluido en la página 8

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 data flow such that data is transferred out of the device on every Functional Overview rising edge of the output clocks (C and C, or K and K when in The CY7C1511V18, CY7C1526V18, CY7C1513V18, single clock mode). CY7C1515V18 are synchronous pipelined Burst SRAMs with a When the read port is deselected, the CY7C1513V18 first read port and a write port. The read port is dedicated to read completes the pending read transactions. Synchronous internal

Resumen del contenido incluido en la página 9

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Concurrent Transactions Programmable Impedance The read and write ports on the CY7C1513V18 operates An external resistor, RQ, must be connected between the ZQ pin completely independently of one another. As each port latches on the SRAM and V to allow the SRAM to adjust its output SS the address inputs on different clock edges, the user can read or driver impedance. The value of RQ must be 5X the value of the write to any location, regardless of

Resumen del contenido incluido en la página 10

CY7C1511V18, CY7C1526V18 CY7C1513V18, CY7C1515V18 Application Example Figure 1 shows four QDR-II used in an application. Figure 1. Application Example SRAM #1 R = 250ohms SRAM #4 R = 250ohms ZQ ZQ R W B R W B CQ/CQ# CQ/CQ# Vt P P W P P W D Q D Q S S S S S S R A # CC# K K# # # A # # # CC# K K# DATA IN DATA OUT Vt Address Vt R RPS# BUS WPS# MASTER BWS# (CPU CLKIN/CLKIN# or Source K ASIC) Source K# Delayed K Delayed K# R R = 50ohms Vt = Vddq/2 Truth Table [2, 3, 4, 5, 6, 7] The truth table for CY7


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