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CY62158E MoBL

®

Document #: 38-05684 Rev. *D

Page 8 of 10

Figure 8

 shows WE controlled, OE LOW write cycle waveforms.

[17]

Figure 8.  Write Cycle No. 3

Truth Table

CE

1

CE

2

WE

OE

Inputs/Outputs

Mode

Power

H

X

X

X

High Z

Deselect/Power Down

Standby (I

SB

)

X

L

X

X

High Z

Deselect/Power Down

Standby (I

SB

)

L

H

H

L

Data Out

Read

Active (I

CC

)

L

H

H

H

High Z

Output Disabled

Active (I

CC

)

L

H

L

X

Data in

Write

Active (I

CC

)

Ordering Information

Speed

(ns)

Ordering Code

Package
Diagram

Package Type

Operating

Range

45

CY62158ELL-45ZSXI

51-85087 44-Pin TSOP II (Pb-free)

Industrial

Switching Waveforms

 (continued)

VALID DATA

t

HD

t

SD

t

LZWE

t

PWE

t

SA

t

HA

t

AW

t

SCE

t

WC

t

HZWE

NOTE 18

CE

1

ADDRESS

CE

2

WE

DATA IO

[+] Feedback 

Summary of Contents for CY62158E

Page 1: ...e device into standby mode reduces power consumption significantly when deselected CE1 HIGH or CE2 LOW To write to the device take Chip Enables CE1 LOW and CE2 HIGH and Write Enable WE input LOW Data...

Page 2: ...5 1 8 3 18 25 2 8 1 2 3 4 5 6 7 8 9 11 14 31 32 36 35 34 33 37 40 39 38 12 13 41 44 43 42 16 15 29 30 A5 18 17 20 19 23 28 25 24 22 21 27 26 A6 A7 A4 A3 A2 A1 A0 A17 A18 A10 A11 A12 A13 A15 A16 A14 OE...

Page 3: ...rrent f fMAX 1 tRC VCC VCCmax IOUT 0 mA CMOS levels 18 25 mA f 1 MHz 1 8 3 mA ISB1 Automatic CE Power down Current CMOS Inputs CE1 VCC 0 2V CE2 0 2V VIN VCC 0 2V VIN 0 2V f fMAX Address and Data Only...

Page 4: ...V 8 A tCDR 7 Chip Deselect to Data Retention Time 0 ns tR 8 Operation Recovery Time tRC ns Figure 3 Data Retention Waveform 3V VCC OUTPUT R2 100 pF INCLUDING JIG AND SCOPE GND 90 10 90 10 Rise Time 1...

Page 5: ...ns tSD Data Setup to Write End 25 ns tHD Data Hold from Write End 0 ns tHZWE WE LOW to High Z 10 11 18 ns tLZWE WE HIGH to Low Z 10 10 ns Notes 9 Test conditions for all parameters other than tri stat...

Page 6: ...14 15 Figure 5 Read Cycle No 2 ADDRESS DATA OUT PREVIOUS DATA VALID DATA VALID tRC tAA tOHA 50 50 DATA VALID tRC tACE tDOE tLZOE tLZCE tPU HIGH IMPEDANCE tHZOE tHZCE tPD HIGH ICC ISB IMPEDANCE OE CE1...

Page 7: ...Switching Waveforms continued tHD tSD tPWE tSA tHA tAW tSCE tWC tHZOE VALID DATA NOTE 18 CE1 ADDRESS CE2 WE DATA IO OE tWC VALID DATA tAW tSA tPWE tHA tHD tSD tSCE CE1 ADDRESS CE2 WE DATA IO OE Notes...

Page 8: ...L X X High Z Deselect Power Down Standby ISB L H H L Data Out Read Active ICC L H H H High Z Output Disabled Active ICC L H L X Data in Write Active ICC Ordering Information Speed ns Ordering Code Pa...

Page 9: ...CY62158E MoBL Document 38 05684 Rev D Page 9 of 10 Package Diagrams Figure 9 44 Pin TSOP II 51 85087 51 85087 A Feedback...

Page 10: ...Y KIND EXPRESS OR IMPLIED WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Cypress reserves the right to make ch...

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