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CYD01S36V
CYD02S36V/36VA/CYD04S36V
CYD09S36V/CYD18S36V
FLEx36™ 3.3V 32K/64K/128K/256K/512 x 36
Synchronous Dual-Port RAM
Features Functional Description
■ True dual-ported memory cells that enable simultaneous The FLEx36™ family includes 1-Mbit, 2-Mbit, 4-Mbit, 9-Mbit, and
access of the same memory location 18-Mbit pipelined, synchronous, true dual-port static RAMs that
are high speed, low power 3.3V CMOS. Two ports are provided,
■ Synchronous pipelined operation
permitting independent, simulta
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V [1] Logic Block Diagram FTSEL FTSEL L R CONFIG Block CONFIG Block PORTSTD[1:0] PORTSTD[1:0] L R DQ [35:0] DQ [35:0] R L BE [3:0] BE [3:0] R L CE0 CE0 L R IO IO CE1 CE1 R L Control Control OE OE R L R/W R/W R L Dual Ported Array Arbitration Logic BUSY L BUSY R A [18:0] A [18:0] L R CNT/MSK CNT/MSK L R ADS ADS L R CNTEN CNTEN L R Address & Address & CNTRST CNTRST L R Counter Logic Counter Logic RET RET L R CNTINT L CNTINT R C L C R WRP L WRP R
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Pin Configurations Figure 1. Pin Diagram - 256-Ball FBGA (Top View) CYD01S36V/CYD02S36V/36VA/CYD04S36V/CYD09S36V/CYD18S36V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A DQ32L DQ30L DQ28L DQ26L DQ24L DQ22L DQ20L DQ18L DQ18R DQ20R DQ22R DQ24R DQ26R DQ28R DQ30R DQ32R B DQ33L DQ31L DQ29L DQ27L DQ25L DQ23L DQ21L DQ19L DQ19R DQ21R DQ23R DQ25R DQ27R DQ29R DQ31R DQ33R RETL NC NC REVL TRST NC NC NC
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Pin Definitions Left Port Right Port Description A –A A –A Address Inputs. 0L 18L 0R 18R BE –BE BE –BE Byte Enable Inputs. Asserting these signals enables Read and Write operations to the 0L 3L 0R 3R corresponding bytes of the memory array. [2,5] [2,5] BUSY BUSY Port Busy Output. When the collision is detected, a BUSY is asserted. L R C C Input Clock Signal. L R [11] [11] CE0 CE0 Active Low Chip Enable Input. L R [10] [10] CE1 CE1 Acti
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Master Reset Address Counter and Mask Register [19] Operations The FLEx36 family devices undergo a complete reset by taking its MRST input LOW. The MRST input can switch asynchro- This section describes the features only apply to 1Mbit, 2 Mbit, nously to the clocks. An MRST initializes the internal burst 4 Mbit and 9 Mbit devices. It does not apply to 18Mbit device. counters to zero, and the counter mask registers to all ones Each port of t
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Counter enable (CNTEN) inputs are provided to stall the Counter Reset Operation operation of the address input and use the internal address All unmasked bits of the counter and mirror registers are reset to generated by the internal counter for fast, interleaved memory “0.” All masked bits remain unchanged. A Mask Reset followed applications. A port’s burst counter is loaded when the port’s by a Counter Reset resets the counter and mirror re
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V after the next rising edge of the port’s clock. If address readback Counter Increment Operation occurs while the port is enabled (CE0 LOW and CE1 HIGH), the Once the address counter register is initially loaded with an data lines (DQs) are three-stated. Figure 2 on page 8 shows a external address, the counter can internally increment the block diagram of the operation. address value, potentially addressing the entire memory array. Only the u
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V [1] Figure 2. Counter, Mask, and Mirror Logic Block Diagram CNT/MSK CNTEN Decode ADS Logic CNTRST MRST Bidirectional Mask Address Register Lines Counter/ Address RAM Address Decode Array Register CLK Load/Increment From 17 Address Mirror Counter Lines To Readback 1 1 and Address 0 Decode 0 From 17 Increment Mask Logic Wrap 17 Register 17 17 From Mask Bit 0 17 From +1 Wrap Counter Wrap 1 Detect 0 +2 17 1 To Counter 0 Document Number
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V [1, 22] Figure 3. Programmable Counter-Mask Register Operation CNTINT Example: Load Counter-Mask H 0 0 0s01 11 1 1 1 Register = 3F 16 15 6 5 4 3 2 1 0 Mask 2 2 2 2 2 2 2 2 2 Register Masked Address Unmasked Address bit-0 Load Address H X X Xs X0 00 1 0 0 Counter = 8 16 15 6 5 4 3 2 1 0 2 2 2 2 2 2 2 2 2 Address Counter Max bit-0 Address L X X Xs X1 11 1 1 1 Register 16 15 6 5 4 3 2 1 0 2 2 2 2 2 2 2 2 2 Max + 1 Address H X X XsX0 00 1 0 0
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Figure 4. Scan Chain for 18-Mbit Device TDO TDO TDO D4 D2 TDI TDI TDO TDO D3 D1 TDI TDI TDI Figure 5. Scan Chain for 9-Mbit Device TDO TDO D2 TDI TDO D1 TDI TDI Table 4. Identification Register Definitions Instruction Field Value Description Revision Number (31:28) 0h Reserved for version number. Cypress Device ID (27:12) C002h Defines Cypress part number for CYD04S36V, CYD09S36V and CYD18S36V C001h Defines Cypress part number for CY
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Table 6. Instruction Identification Codes Instruction Code Description EXTEST 0000 Captures the Input/Output ring contents. Places the BSR between the TDI and TDO. BYPASS 1111 Places the BYR between TDI and TDO. IDCODE 1011 Loads the IDR with the vendor ID code and places the register between TDI and TDO. HIGHZ 0111 Places BYR between TDI and TDO. Forces all device output drivers to a High-Z state. CLAMP 0100 Controls boundary to 1/0. Pla
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Output Current into Outputs (LOW)............................. 20 mA Maximum Ratings Static Discharge Voltage........................................... > 2000V [25] Exceeding maximum ratings may shorten the useful life of the (JEDEC JESD22-A114-2000B) device. User guidelines are not tested. Latch-up Current..................................................... > 200 mA Storage Temperature.................................. –65°C to +150°C Ope
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Figure 6. AC Test Load and Waveforms 3.3V Z = 50 Ω R = 50 Ω 0 OUTPUT R1 = 590 Ω OUTPUT C = 10 pF C = 5 pF V = 1.5V R2 = 435 Ω TH (a) Normal Load (Load 1) (b) Three-state Delay (Load 2) 3.0V 90% 90% 10% 10% ALL INPUT PULSES Vss <2ns <2ns Switching Characteristics Over the Operating Range -167 -133 -100 CYD01S36V CYD01S36V CYD02S36V/ CYD02S36V Parameter Description CYD02S36VA CYD18S36V CYD18S36V Unit CYD04S36V CYD04S36V CYD09S36V CYD09S36V Mi
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Switching Characteristics Over the Operating Range (continued) -167 -133 -100 CYD01S36V CYD01S36V CYD02S36V/ CYD02S36V Parameter Description CYD02S36VA CYD18S36V CYD18S36V Unit CYD04S36V CYD04S36V CYD09S36V CYD09S36V Min Max Min Max Min Max Min Max t CNT/MSK Hold Time 0.6 0.6 NA NA ns HCM t Output Enable to Data Valid 4.4 4.4 5.5 5.5 ns OE [31, 32] t OE to Low Z 0 0 0 0 ns OLZ [31, 32] t OE to High Z 0 4.0 0 4.4 0 5.5 0 5.5 ns OHZ t Clock to
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V JTAG Switching Waveform t t TH TL Test Clock t TCYC TCK t TMSS t TMSH Test Mode Select TMS t TDIS t TDIH Test Data-In TDI Test Data-Out TDO t TDOV t TDOX Switching Waveforms Figure 7. Master Reset t RS MRST t ALL RSF ADDRESS/ DATA t LINES RSS t RSR ALL OTHER INACTIVE ACTIVE INPUTS TMS t RSINT CNTINT INT TDO Document Number: 38-06076 Rev. *G Page 15 of 28 [+] Feedback
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Switching Waveforms (continued) [14, 33, 34, 35, 36] Figure 8. Read Cycle t CYC2 t t CH2 CL2 CLK CE t t t t SC HC SC HC t SB t HB BE0–BE3 R/W t t SW HW t t SA HA ADDRESS A A A A n n+1 n+2 n+3 t 1 Latency t DC CD2 DATA OUT Q Q Q n n+1 n+2 t OHZ t t CKLZ OLZ OE t OE Notes 33. OE is asynchronously controlled; all other inputs (excluding MRST and JTAG) are synchronous to the rising clock edge. 34. ADS = CNTEN = LOW, and MRST = CNTRST = CNT/MSK
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Switching Waveforms (continued) [37, 38] Figure 9. Bank Select Read t CYC2 t t CH2 CL2 CLK t t SA HA ADDRESS A A A A A (B1) 0 A 3 4 5 1 2 t t HC SC CE (B1) t t t t t t t CD2 HC CD2 CD2 CKHZ SC CKHZ Q Q Q 3 DATA 0 1 OUT(B1) t t SA HA t t t DC DC CKLZ A A A A ADDRESS A 0 A 3 4 5 (B2) 1 2 t t SC HC CE (B2) t t t t t CD2 CKHZ CD2 SC HC DATA OUT(B2) Q Q 4 2 t t CKLZ CKLZ [36, 39, 40, 41, 42] Figure 10. Read-to-Write-to-Read (OE = LOW) t CYC2
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Switching Waveforms (continued) [36, 39, 41, 42] Figure 11. Read-to-Write-to-Read (OE Controlled) t CYC2 t t CH2 CL2 CLK CE t t SC HC t t SW HW R/W t t SW HW A A A A A A n n+1 n+2 n+3 n+4 n+5 ADDRESS t t t t SA HA SD HD D DATA D IN n+2 n+3 t CD2 t CD2 DATA OUT Q Q n n+4 t OHZ OE READ WRITE READ [41] Figure 12. Read with Address Counter Advance t CYC2 t t CH2 CL2 CLK t t SA HA ADDRESS A n t t SAD HAD ADS t t SAD HAD CNTEN t t SCN HCN t t
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Switching Waveforms (continued) [42] Figure 13. Write with Address Counter Advance t CYC2 t t CH2 CL2 CLK t t SA HA A ADDRESS n INTERNAL A A A A A n n+1 n+2 n+3 n+4 ADDRESS t t SAD HAD ADS CNTEN t t SCN HCN D D D D D D DATA n n+1 n+1 n+2 n+3 n+4 IN t t SD HD WRITE EXTERNAL WRITE WITH WRITE COUNTER WRITE WITH COUNTER ADDRESS COUNTER HOLD Document Number: 38-06076 Rev. *G Page 19 of 28 [+] Feedback
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CYD01S36V CYD02S36V/36VA/CYD04S36V CYD09S36V/CYD18S36V Switching Waveforms (continued) [43, 44] Figure 14. Counter Reset t CYC2 t t CH2 CL2 CLK t t SA HA A A A ADDRESS n m p INTERNAL A A 0 1 A A p x n m ADDRESS t t SW HW R/W ADS CNTEN t t HRST SRST CNTRST t t SD HD DATA D IN 0 t t CD2 CD2 [45] DATA Q OUT Q Q 0 1 n t CKLZ COUNTER WRITE READ READ READ READ ADDRESS A RESET ADDRESS 0 ADDRESS 0 ADDRESS 1 ADDRESS A m n Notes 43. CE = BE0 – BE3 = LOW; CE = MRST = CNT/MSK = HIGH. 0 1 44. No dead cyc
