Manual de instrucciones de Cypress CY7C1992BV18

Manual de instrucciones del aparato Cypress CY7C1992BV18

Aparato: Cypress CY7C1992BV18
Categoría: Equipamiento para ordenador
Fabricante: Cypress
Tamaño: 0.71 MB
Fecha de añadido: 6/27/2014
Número de páginas: 31
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

CY7C1392BV18, CY7C1992BV18
CY7C1393BV18, CY7C1394BV18
18-Mbit DDR-II SIO SRAM 2-Word
Burst Architecture
Features Functional Description
■ 18-Mbit density (2M x 8, 2M x 9, 1M x 18, 512K x 36) The CY7C1392BV18, CY7C1992BV18, CY7C1393BV18, and
CY7C1394BV18 are 1.8V Synchronous Pipelined SRAMs,
■ 300 MHz clock for high bandwidth
equipped with Double Data Rate Separate IO (DDR-II SIO)
■ 2-word burst for reducing address bus frequency
architecture. The DDR-II SIO consists of two separate ports: the
r

Resumen del contenido incluido en la página 2

1M x 8 Array 1M x 9 Array 1M x 8 Array 1M x 9 Array CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Logic Block Diagram (CY7C1392BV18) 8 D [7:0] Write Write Data Reg Data Reg 20 Address A (19:0) Register LD K Control R/W CLK Logic K Gen. C DOFF Read Data Reg. C CQ 16 R/W 8 CQ Reg. Reg. V 8 REF Control 8 Logic LD 8 Reg. Q 8 [7:0] NWS [1:0] Logic Block Diagram (CY7C1992BV18) 9 D [8:0] Write Write Data Reg Data Reg 20 Address A (19:0) Register LD K Control R/W CLK Logic K Gen. C DOFF Read Dat

Resumen del contenido incluido en la página 3

512K x 18 Array 256K x 36 Array 512K x 18 Array 256K x 36 Array CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Logic Block Diagram (CY7C1393BV18) 18 D [17:0] Write Write Data Reg Data Reg 19 Address A (18:0) Register LD K Control R/W CLK Logic K Gen. C DOFF Read Data Reg. C CQ 36 R/W 18 CQ Reg. Reg. V 18 REF Control Logic 18 LD Reg. 18 Q 18 [17:0] BWS [1:0] Logic Block Diagram (CY7C1394BV18) 36 D [35:0] Write Write Data Reg Data Reg 18 Address A (17:0) Register LD K Control R/W CLK Logic

Resumen del contenido incluido en la página 4

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Pin Configuration [1] The pin configuration for CY7C1392BV18, CY7C1992BV18, CY7C1393BV18, and CY7C1394BV18 follows. 165-Ball FBGA (13 x 15 x 1.4 mm) Pinout CY7C1392BV18 (2M x 8) 1 2 3 4 5 6 7 8 9 10 11 A CQ NC/72M A R/W NWS K NC/144M LD A NC/36M CQ 1 B NC NC NC A NC/288M K NWS ANC NC Q3 0 C NC NC NC V AAA 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

Resumen del contenido incluido en la página 5

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Pin Configuration (continued) [1] The pin configuration for CY7C1392BV18, CY7C1992BV18, CY7C1393BV18, and CY7C1394BV18 follows. 165-Ball FBGA (13 x 15 x 1.4 mm) Pinout CY7C1393BV18 (1M x 18) 1 2 3 4 5 6 7 8 9 10 11 A CQ NC/144M NC/36M R/W BWS K NC/288M LD A NC/72M CQ 1 B NC Q9 D9 A NC K BWS ANC NC Q8 0 C NC NC D10 V AAA 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

Resumen del contenido incluido en la página 6

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Pin Definitions Pin Name IO Pin Description D Input- Data Input Signals. Sampled on the rising edge of K and K clocks during valid write operations. [x:0] CY7C1392BV18 - D Synchronous [7:0] CY7C1992BV18 - D [8:0] CY7C1393BV18 - D [17:0] CY7C1394BV18 - D [35:0] LD Input- Synchronous Load. This input is brought LOW when a bus cycle sequence is defined. This definition Synchronous includes address and read/write direction. All transactions op

Resumen del contenido incluido en la página 7

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Pin Definitions (continued) Pin Name IO Pin Description CQ Echo Clock CQ is Referenced with Respect to C. This is a free-running clock and is synchronized to the input clock for output data (C) of the DDR-II. In the single clock mode, CQ is generated with respect to K. The timings for the echo clocks is shown in the Switching Characteristics on page 23. CQ Echo Clock CQ is Referenced with Respect to C. This is a free-running clock and is s

Resumen del contenido incluido en la página 8

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Byte Write Operations Functional Overview Byte write operations are supported by the CY7C1393BV18. A The CY7C1392BV18, CY7C1992BV18, CY7C1393BV18, and write operation is initiated as described in the Write Operations CY7C1394BV18 are synchronous pipelined Burst SRAMs section. The bytes that are written are determined by BWS and 0 equipped with a DDR-II Separate IO interface. BWS , which are sampled with each set of 18-bit data words. 1 Acces

Resumen del contenido incluido en la página 9

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 DLL to lock it to the desired frequency. The DLL automatically locks 1024 clock cycles after a stable clock is presented. The DLL may These chips use a Delay Lock Loop (DLL) that is designed to be disabled by applying ground to the DOFF pin. When the DLL function between 120 MHz and the specified maximum clock is turned off, the device behaves in DDR-I mode (with one cycle frequency. During power up, when the DOFF is tied HIGH, the latency an

Resumen del contenido incluido en la página 10

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Truth Table [2, 3, 4, 5, 6, 7] The truth table for CY7C1392BV18, CY7C1992BV18, CY7C1393BV18, and CY7C1394BV18 follows. Operation K LD R/W DQ DQ L-H L L D(A + 0) at K(t + 1)↑ D(A + 1) at K(t + 1)↑ Write Cycle: Load address; wait one cycle; input write data on consecutive K and K rising edges. Read Cycle: L-H L H Q(A + 0) at C(t + 1)↑ Q(A + 1) at C(t + 2)↑ Load address; wait one and a half cycle; read data on consecutive C and C rising edges

Resumen del contenido incluido en la página 11

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Write Cycle Descriptions [2, 8] The write cycle description table for CY7C1992BV18 follows. BWS K K 0 L L–H – During the data portion of a write sequence, the single byte (D ) is written into the device. [8:0] ) is written into the device. L – L–H During the data portion of a write sequence, the single byte (D [8:0] H L–H – No data is written into the device during this portion of a write operation. H – L–H No data is written into the device

Resumen del contenido incluido en la página 12

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 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 #1149.1-2001. The TAP operates using JEDEC page 15. U

Resumen del contenido incluido en la página 13

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 IDCODE BYPASS The IDCODE instruction loads a vendor-specific, 32-bit code into When the BYPASS instruction is loaded in the instruction register the instruction register. It also places the instruction register and the TAP is placed in a Shift-DR state, the bypass register is between the TDI and TDO pins and shifts the IDCODE out of the placed between the TDI and TDO pins. The advantage of the device when the TAP controller enters the Shift-D

Resumen del contenido incluido en la página 14

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 TAP Controller State Diagram [9] 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 9. The 0/1 next to each state represents the value at TMS at the rising edge of TCK. Document #: 38-05623 Rev. *D P

Resumen del contenido incluido en la página 15

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 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 . 106 . . . 2 1 0 Boundary Scan Register TCK TAP Controller TMS TAP Electrical Characteristics [10, 11, 12] 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

Resumen del contenido incluido en la página 16

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 TAP AC Switching Characteristics [13, 14] 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 Capt

Resumen del contenido incluido en la página 17

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Identification Register Definitions Value Instruction Field Description CY7C1392BV18 CY7C1992BV18 CY7C1393BV18 CY7C1394BV18 Revision Number 000 000 000 000 Version number. (31:29) Cypress Device ID 11010100010000101 11010100010001101 11010100010010101 11010100010100101 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 Indi

Resumen del contenido incluido en la página 18

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 27 11H 54 7B 81 3G 1 6P 28 10G 55 6B 82 2G 26N 29 9G 56 6A 83 1J 3 7P 30 11F 57 5B 84 2J 4 7N 31 11G 58 5A 85 3K 57R 32 9F 59 4A 86 3J 6 8R 33 10F 60 5C 87 2K 7 8P 34 11E 61 4B 88 1K 8 9R 35 10E 62 3A 89 2L 9 11P 36 10D 63 1H 90 3L 10 10P 37 9E 64 1A 91 1M 11 10N 38 10C 65 2B 92 1L 12 9P 39 11D 66 3B 93 3N 13 10M 40 9C 67 1C 94 3M 14 11N 41 9D 68 1B 95 1N 15 9M

Resumen del contenido incluido en la página 19

~ ~ CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 DLL Constraints Power Up Sequence in DDR-II SRAM ■ DLL uses K clock as its synchronizing input. The input must DDR-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 eith

Resumen del contenido incluido en la página 20

CY7C1392BV18, CY7C1992BV18 CY7C1393BV18, CY7C1394BV18 Current into Outputs (LOW) ........................................ 20 mA Maximum Ratings Static Discharge Voltage (MIL-STD-883, M. 3015).. > 2001V Exceeding maximum ratings may impair the useful life of the Latch up Current.................................................... > 200 mA device. These user guidelines are not tested. Storage Temperature ................................. –65°C to +150°C Operating Range Ambient Temperature with Pow


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