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CY7C1471BV33

CY7C1473BV33, CY7C1475BV33

Document #: 001-15029 Rev. *B

Page 22 of 32

Maximum Ratings

Exceeding maximum ratings may impair the useful life of the
device. These user guidelines are not tested.

Storage Temperature  ................................. –65

°

C to +150

°

C

Ambient Temperature with
Power Applied ............................................ –55

°

C to +125

°

C

Supply Voltage on V

DD

 Relative to GND ........–0.5V to +4.6V

Supply Voltage on V

DDQ

 Relative to GND ...... –0.5V to +V

DD

DC Voltage Applied to Outputs
in Tri-State ...........................................–0.5V to V

DDQ

 + 0.5V

DC Input Voltage ................................... –0.5V to V

DD

 + 0.5V

Current into Outputs (LOW)......................................... 20 mA

Static Discharge Voltage...........................................  >2001V
(MIL-STD-883, Method 3015)

Latch Up Current ....................................................  >200 mA

Operating Range

Range

Ambient

Temperature

V

DD

V

DDQ

Commercial

0°C to +70°C  3.3V

 

–5%/+10% 2.5V – 5%

to

 

V

DD

Industrial

–40°C to +85°C 

Electrical Characteristics 

Over the Operating Range

[13, 14] 

Parameter

Description

Test Conditions

Min

Max

Unit

V

DD

Power Supply Voltage

3.135

3.6

V

V

DDQ

IO Supply Voltage

For 3.3V IO

3.135

V

DD

V

For 2.5V IO

2.375

2.625

V

V

OH

Output HIGH Voltage

For 3.3V IO, I

OH 

= –4.0 mA

2.4

V

For 2.5V IO, I

OH 

= –1.0 mA

2.0

V

V

OL

Output LOW Voltage

For 3.3V IO, I

OL 

= 8.0 mA

0.4

V

For 2.5V IO, I

OL 

= 1.0 mA

0.4

V

V

IH

Input HIGH Voltage

[13]

For 3.3V IO

2.0

V

DD

 + 0.3V

V

For 2.5V IO

1.7

V

DD

 + 0.3V

V

V

IL

Input LOW Voltage

[13]

For 3.3V IO

–0.3

0.8

V

For 2.5V IO

–0.3

0.7

V

I

X

Input Leakage Current 
except ZZ and MODE

GND 

 V

I

 

 V

DDQ

–5

5

μ

A

Input Current of MODE

Input = V

SS

–30

μ

A

Input = V

DD

5

μ

A

Input Current of ZZ

Input = V

SS

–5

μ

A

Input = V

DD

30

μ

A

I

OZ

Output Leakage Current

GND 

 V

I

 

 V

DD, 

Output Disabled

–5

5

μ

A

I

DD

 

[15]

V

DD

 Operating Supply 

Current

V

DD 

= Max., I

OUT 

= 0 mA,

f = f

MAX

 = 1/t

CYC

7.5 ns cycle, 133 MHz

305

mA

10 ns cycle, 117 MHz

275

mA

I

SB1

Automatic CE 
Power Down 
Current—TTL Inputs

V

DD 

= Max, Device Deselected, 

V

IN

 

 V

IH

 or V

IN

 

 V

IL

f = f

MAX

, inputs switching

7.5 ns cycle, 133 MHz

200

mA

10 ns cycle, 117 MHz

200

mA

I

SB2

Automatic CE
Power Down 
Current—CMOS Inputs

V

DD 

= Max, Device Deselected, 

V

IN

 0.3V or V

IN

 > V

DD

 – 0.3V, 

f = 0, inputs static

All speeds

120

mA

I

SB3

Automatic CE 
Power Down 
Current—CMOS Inputs

V

DD 

= Max, Device Deselected, or 

V

IN

 

 0.3V or V

IN

 > V

DDQ

 – 0.3V

f = f

MAX

, inputs switching

7.5 ns cycle, 133 MHz

200

mA

10 ns cycle, 117 MHz

200

mA

I

SB4

Automatic CE
Power Down 
Current—TTL Inputs

V

DD 

= Max, Device Deselected, 

V

IN

 

 V

DD

 – 0.3V or V

IN

 

 

0.3V

,

f = 0, inputs static

All Speeds

165

mA

Notes

13. Overshoot: V

IH

(AC) < V

DD

 +1.5V (pulse width less than t

CYC

/2). Undershoot: V

IL

(AC) > –2V (pulse width less than t

CYC

/2).

14. T

Power-up

: assumes a linear ramp from 0V to V

DD

(min.) within 200 ms. During this time V

IH

 < V

DD

 and V

DDQ 

< V

DD

.

15. The operation current is calculated with 50% read cycle and 50% write cycle.

[+] Feedback 

Содержание CY7C1471BV33

Страница 1: ...V 2M x 36 4M x 18 1M x 72 synchronous flow through burst SRAMs designed specifically to support unlimited true back to back read or write operations without the insertion of wait states The CY7C1471BV...

Страница 2: ...OGIC A0 A1 D1 D0 Q1 Q0 A0 A1 ADV LD CE ADV LD C CLK CEN WRITE DRIVERS D A T A S T E E R I N G S E N S E A M P S WRITE ADDRESS REGISTER A0 A1 A O U T P U T B U F F E R S E ZZ SLEEP CONTROL C MODE BWA B...

Страница 3: ...D A T A S T E E R I N G O U T P U T B U F F E R S MEMORY ARRAY E E INPUT REGISTER 0 ADDRESS REGISTER 0 WRITE ADDRESS REGISTER 1 BURST LOGIC A0 A1 D1 D0 Q1 Q0 A0 A1 C ADV LD ADV LD E INPUT REGISTER 1 S...

Страница 4: ...DD NC VSS DQD DQD VDDQ VSS DQD DQD DQD DQD VSS VDDQ DQD DQD DQPD A A CE 1 CE 2 BW D BW C BW B BW A CE 3 V DD V SS CLK WE CEN OE A A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26...

Страница 5: ...QB NC VDD NC VSS DQB DQB VDDQ VSS DQB DQB DQPB NC VSS VDDQ NC NC NC A A CE 1 CE 2 NC NC BW B BW A CE 3 V DD V SS CLK WE CEN OE A A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26...

Страница 6: ...QPB VDDQ VDD DQB DQB DQB NC DQB NC DQA DQA VDD VDDQ VDD VDDQ DQB VDD NC VDD DQA VDD VDDQ DQA VDDQ VDD VDD VDDQ VDD VDDQ DQA VDDQ A A VSS A A A DQB DQB DQB ZZ DQA DQA DQPA DQA A VDDQ A A0 A VSS NC A A...

Страница 7: ...DQPb DQf DQf DQf DQf NC DQa DQa DQa DQa DQPe DQe DQe DQe DQe A A A A NC NC NC 144M A A NC 288M A A A A A A A1 A0 A A A A A A NC 576M NC NC NC NC NC BWSb BWSf BWSe BWSa BWSc BWSg BWSd BWSh TMS TDI TDO...

Страница 8: ...o behave as outputs When deasserted HIGH IO pins are tri stated and act as input data pins OE is masked during the data portion of a write sequence during the first clock when emerging from a deselect...

Страница 9: ...ffers are controlled by OE and the internal control logic OE must be driven LOW to drive out the requested data On the subsequent clock another operation read write deselect can be initiated When the...

Страница 10: ...on DQs and DQPX are automatically tri stated during the data portion of a write cycle regardless of the state of OE Burst Write Accesses The CY7C1471BV33 CY7C1473BV33 and CY7C1475BV33 have an on chip...

Страница 11: ...L L L L H X L L H Tri State Write Abort Continue Burst Next X X X L H X H X L L H Tri State Ignore Clock Edge Stall Current X X X L X X X X H L H Sleep Mode None X X X H X X X X X X Tri State Notes 1...

Страница 12: ...L L L The read write truth table for CY7C1473BV33 follows 1 2 8 Truth Table for Read Write Function WE BWa BWb Read H X X Write No Bytes Written L H H Write Byte a DQa and DQPa L L H Write Byte b DQb...

Страница 13: ...ted to the least significant bit LSB of any register See TAP Controller State Diagram on page 15 Performing a TAP Reset A RESET is performed by forcing TMS HIGH VDD for five rising edges of TCK This R...

Страница 14: ...nstruction causes the boundary scan register to be connected between the TDI and TDO balls when the TAP controller is in a Shift DR state It also places all SRAM outputs into a High Z state SAMPLE PRE...

Страница 15: ...TAP Controller State Diagram TEST LOGIC RESET RUN TEST IDLE SELECT DR SCAN SELECT IR SCAN CAPTURE DR SHIFT DR CAPTURE IR SHIFT IR EXIT1 DR PAUSE DR EXIT1 IR PAUSE IR EXIT2 DR UPDATE DR EXIT2 IR UPDAT...

Страница 16: ...15029 Rev B Page 16 of 32 TAP Controller Block Diagram Bypass Register 0 Instruction Register 0 1 2 Identification Register 0 1 2 29 30 31 Boundary Scan Register 0 1 2 x Selection Circuitry TCK TMS T...

Страница 17: ...5V TAP AC Output Load Equivalent TDO 1 25V 20pF Z 50 O 50 TAP DC Electrical Characteristics and Operating Conditions 0 C TA 70 C VDD 3 3V 0 165V unless otherwise noted 9 Parameter Description Test Co...

Страница 18: ...ns Setup Times tTMSS TMS Setup to TCK Clock Rise 5 ns tTDIS TDI Setup to TCK Clock Rise 5 ns tCS Capture Setup to TCK Rise 5 ns Hold Times tTMSH TMS Hold after TCK Clock Rise 5 ns tTDIH TDI Hold afte...

Страница 19: ...EXTEST 000 Captures IO ring contents Places the boundary scan register between TDI and TDO Forces all SRAM outputs to High Z state This instruction is not 1149 1 compliant IDCODE 001 Loads the ID reg...

Страница 20: ...1 31 P10 51 G10 71 B2 12 L1 32 R9 52 F10 13 J2 33 R10 53 E10 14 M1 34 R11 54 A9 15 N1 35 N11 55 B9 16 K2 36 M11 56 A10 17 L2 37 L11 57 B10 18 M2 38 M10 58 A8 19 R1 39 L10 59 B8 20 R2 40 K11 60 A7 Boun...

Страница 21: ...91 A9 8 D2 36 W2 64 N11 92 U8 9 E1 37 T6 65 N10 93 A6 10 E2 38 V3 66 M11 94 D6 11 F1 39 V4 67 M10 95 K6 12 F2 40 U4 68 L11 96 B6 13 G1 41 W5 69 L10 97 K3 14 G2 42 V6 70 P6 98 A8 15 H1 43 W6 71 J11 99...

Страница 22: ...1 7 VDD 0 3V V VIL Input LOW Voltage 13 For 3 3V IO 0 3 0 8 V For 2 5V IO 0 3 0 7 V IX Input Leakage Current except ZZ and MODE GND VI VDDQ 5 5 A Input Current of MODE Input VSS 30 A Input VDD 5 A Inp...

Страница 23: ...and after any design or process change that may affect these parameters Parameter Description Test Conditions 100 TQFP Max 165 FBGA Max 209 FBGA Max Unit JA Thermal Resistance Junction to Ambient Tes...

Страница 24: ...Before CLK Rise 1 5 1 5 ns tDS Data Input Setup Before CLK Rise 1 5 1 5 ns tCES Chip Enable Setup Before CLK Rise 1 5 1 5 ns Hold Times tAH Address Hold After CLK Rise 0 5 0 5 ns tALH ADV LD Hold Aft...

Страница 25: ...COMMAND tCLZ D A1 D A2 Q A4 Q A3 D A2 1 tDOH tCHZ tCDV WRITE D A2 BURST WRITE D A2 1 READ Q A3 READ Q A4 BURST READ Q A4 1 WRITE D A5 READ Q A6 WRITE D A7 DESELECT OE tOEV tOELZ tOEHZ DON T CARE UNDEF...

Страница 26: ...ms continued READ Q A3 4 5 6 7 8 9 10 A3 A4 A5 D A4 1 2 3 CLK CE WE CEN BW A D ADV LD ADDRESS DQ COMMAND WRITE D A4 STALL WRITE D A1 READ Q A2 STALL NOP READ Q A5 DESELECT CONTINUE DESELECT DON T CARE...

Страница 27: ...forms continued t ZZ I SUPPLY CLK ZZ tZZREC ALL INPUTS except ZZ DON T CARE I DDZZ tZZI tRZZI Outputs Q High Z DESELECT or READ Only Notes 24 Device must be deselected when entering ZZ mode See the Th...

Страница 28: ...3BZI CY7C1471BV33 133BZXI 51 85165 165 Ball Fine Pitch Ball Grid Array 15 x 17 x 1 4 mm Pb Free CY7C1473BV33 133BZXI CY7C1475BV33 133BGI 51 85167 209 Ball Fine Pitch Ball Grid Array 14 22 1 76 mm CY7C...

Страница 29: ...N END FLASH SHALL NOT EXCEED 0 0098 in 0 25 mm PER SIDE 3 DIMENSIONS IN MILLIMETERS BODY LENGTH DIMENSIONS ARE MAX PLASTIC BODY SIZE INCLUDING MOLD MISMATCH 0 30 0 08 0 65 20 00 0 10 22 00 0 20 1 40 0...

Страница 30: ...1 PIN 1 CORNER 17 00 0 10 15 00 0 10 7 00 1 00 0 45 0 05 165X 0 25 M C A B 0 05 M C B A 0 15 4X 0 35 1 40 MAX SEATING PLANE 0 53 0 05 0 25 C 0 15 C PIN 1 CORNER TOP VIEW BOTTOM VIEW 2 3 4 5 6 7 8 9 1...

Страница 31: ...CY7C1471BV33 CY7C1473BV33 CY7C1475BV33 Document 001 15029 Rev B Page 31 of 32 Figure 10 209 Ball FBGA 14 x 22 x 1 76 mm Package Diagrams continued 51 85167 Feedback...

Страница 32: ...ve works of and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with...

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