Cypress CY7C0850AV, CY7C0852AV Switching Characteristics, Normal Load Load Three-state Delay Load

Page 14

CY7C0850AV, CY7C0851AV

CY7C0852AV, CY7C0853AV

Figure 6. AC Test Load and Waveforms

Z0 = 50Ω

OUTPUT

C = 10 pF

3.3V

R = 50Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1 = 590 Ω

 

OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VTH = 1.5V

 

 

 

 

 

 

 

C = 5 pF

 

 

 

R2 = 435

Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(a) Normal Load (Load 1)

(b) Three-state Delay (Load 2)

ALL INPUT PULSES

3.0V

VSS

< 2 ns

 

 

90%

 

90%

 

 

 

 

 

 

 

 

10%

 

10%

 

 

< 2 ns

Switching Characteristics

Over the Operating Range

 

 

 

 

 

 

 

 

 

 

 

 

 

-167

 

-133

 

 

-100

 

Parameter

 

 

 

 

 

 

 

 

 

 

Description

CY7C0850AV

CY7C0850AV

CY7C0853AV

CY7C0853AV

Unit

 

 

 

 

 

 

 

 

 

 

CY7C0851AV

CY7C0851AV

 

 

 

 

 

 

 

 

 

 

 

 

CY7C0852AV

CY7C0852AV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Min

 

Max

Min

Max

Min

Max

Min

 

Max

 

fMAX2

 

Maximum Operating Frequency

 

 

167

 

133

 

133

 

 

100

MHz

tCYC2

 

Clock Cycle Time

6.0

 

 

7.5

 

7.5

 

10.0

 

ns

tCH2

 

Clock HIGH Time

2.7

 

 

3.0

 

3.0

 

4.0

 

 

ns

tCL2

 

Clock LOW Time

2.7

 

 

3.0

 

3.0

 

4.0

 

 

ns

tR[19]

 

Clock Rise Time

 

 

2.0

 

2.0

 

2.0

 

 

3.0

ns

tF[19]

 

Clock Fall Time

 

 

2.0

 

2.0

 

2.0

 

 

3.0

ns

tSA

 

Address Setup Time

2.3

 

 

2.5

 

2.5

 

3.0

 

 

ns

tHA

 

Address Hold Time

0.6

 

 

0.6

 

0.6

 

0.6

 

 

ns

tSB

 

Byte Select Setup Time

2.3

 

 

2.5

 

2.5

 

3.0

 

 

ns

tHB

 

Byte Select Hold Time

0.6

 

 

0.6

 

0.6

 

0.6

 

 

ns

tSC

 

Chip Enable Setup Time

2.3

 

 

2.5

 

NA

 

NA

 

 

ns

tHC

 

Chip Enable Hold Time

0.6

 

 

0.6

 

NA

 

NA

 

 

ns

tSW

 

R/W

 

Setup Time

2.3

 

 

2.5

 

2.5

 

3.0

 

 

ns

tHW

 

R/W

 

Hold Time

0.6

 

 

0.6

 

0.6

 

0.6

 

 

ns

tSD

 

Input Data Setup Time

2.3

 

 

2.5

 

2.5

 

3.0

 

 

ns

tHD

 

Input Data Hold Time

0.6

 

 

0.6

 

0.6

 

0.6

 

 

ns

tSAD

 

ADS

 

Setup Time

2.3

 

 

2.5

 

NA

 

NA

 

 

ns

tHAD

 

ADS

 

Hold Time

0.6

 

 

0.6

 

NA

 

NA

 

 

ns

tSCN

 

CNTEN

 

Setup Time

2.3

 

 

2.5

 

NA

 

NA

 

 

ns

tHCN

 

CNTEN

Hold Time

0.6

 

 

0.6

 

NA

 

NA

 

 

ns

tSRST

 

CNTRST

Setup Time

2.3

 

 

2.5

 

NA

 

NA

 

 

ns

tHRST

 

CNTRST

Hold Time

0.6

 

 

0.6

 

NA

 

NA

 

 

ns

tSCM

 

CNT/MSK

 

Setup Time

2.3

 

 

2.5

 

NA

 

NA

 

 

ns

tHCM

 

CNT/MSK

Hold Time

0.6

 

 

0.6

 

NA

 

NA

 

 

ns

Note

19. Except JTAG signals (tr and tf < 10 ns [max.]).

Document #: 38-06070 Rev. *H

Page 14 of 32

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Contents 176TQFP 172FBGA Functional DescriptionProduct Selection Guide Density Mbit 32K x 64K x 128K x Cypress Semiconductor Corporation 198 Champion CourtRAM Array Logic Block DiagramTrue Mirror RegPin Configurations Ball BGA Top ViewCY7C0853AV CY7C0850AV CY7C0851AV CY7C0852AV Pin Definitions Operation Description Master ResetMailbox Interrupts Address Counter and Mask Register Operations Retransmit Mask Reset OperationCounter Interrupt Mask Load OperationCnten ADS Cntrst Mrst CLKProgrammable Counter-Mask Register Operation 1 Performing a TAP Reset Ieee 1149.1 Serial Boundary Scan JtagOperating Range Electrical CharacteristicsMaximum Ratings CapacitanceSwitching Characteristics Normal Load Load Three-state Delay LoadPort to Port Delays Master Reset TimingJtag Timing Parameter Description 167/133/100 Unit MinSwitching Waveforms Master ResetBank Select Read 26 Read-to-Write-to-Read OE Controlled 25, 28, 30 Write with Address Counter Advance Disabled-to-Write-to-Read-to-Write-to-Read Read-to-Readback-to-Read-to-Read R/W = High Counter Reset 32 Readback State of Address Counter or Mask Register35, 36, 37 LeftPort LPort Write to RightPort RPort Read39, 40 Counter Interrupt and Retransmit 34, 42, 43, 44 CLK 128K × 36 4M 3.3V Synchronous CY7C0852AV Dual-Port Sram Ordering Information256K × 36 9M 3.3V Synchronous CY7C0853AV Dual-Port Sram 64K × 36 2M 3.3V Synchronous CY7C0851AV Dual-Port SramPackage Diagrams Ball Fbga 15 x 15 x 1.25 mmPin Thin Quad Flat Pack 24 × 24 × 1.4 mm Document History Submis Orig. Description of Change Sion DateUSB Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions