Cypress CY62128B Скачать руководство пользователя страница 7

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CY62128B

MoBL

Document #: 38-05300 Rev. *C

Page 7 of 11

Write Cycle No. 2 (WE Controlled, OE HIGH During Write)

[15, 16]

Write Cycle No.3 (WE Controlled, OE LOW)

[15, 16]

Note:

17. During this period the I/Os are in the output state and input signals should not be applied.

Switching Waveforms

(continued)

PWE

SCE

HZOE

DATA

VALID

ADDRESS

DATA I/O

NOTE

DATA VALID

LZWE

PWE

SCE

HZWE

ADDRESS

DATAI/O

NOTE 17

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Содержание CY62128B

Страница 1: ...ce is accomplished by taking Chip Enable One CE1 and Write Enable WE inputs LOW and Chip Enable Two CE2 input HIGH Data on the eight I O pins I O0 through I O7 is then written into the location specified on the address pins A0 through A16 Reading from the device is accomplished by taking Chip Enable One CE1 and Output Enable OE LOW while forcing Write Enable WE and Chip Enable Two CE2 HIGH Under t...

Страница 2: ...ference only and are not tested or guaranteed Typical values are an average of the distribution across normal production variations as measured at VCC 5 0V TA 25 C and tAA 70 ns 1 2 3 4 5 6 7 8 9 10 11 14 19 20 24 23 22 21 25 28 27 26 Top View 12 13 29 32 31 30 16 15 17 18 A16 A14 A12 A7 A6 A5 A4 A3 WE VCC A15 A13 A8 A9 I O 7 I O 6 I O 5 I O 4 A2 NC I O 0 I O 1 I O 2 CE 1 OE A10 I O 3 A1 A0 A11 CE...

Страница 3: ...2 4 V VOL Output LOW Voltage VCC Min IOL 2 1 mA 0 4 0 4 V VIH Input HIGH Voltage 2 2 VCC 0 3 2 2 VCC 0 3 V VIL Input LOW Voltage 3 0 3 0 8 0 3 0 8 V IIX Input Load Current GND VI VCC 1 1 1 1 µA Automotive 10 10 µA IOZ Output Leakage Current GND VI VCC Output Disabled 1 1 1 1 µA Automotive 10 10 µA IOS Output Short Circuit Current 5 VCC Max VOUT GND 300 300 mA ICC VCC Operating Supply Current VCC M...

Страница 4: ...VCC GND 90 10 ALL INPUT PULSES 5V OUTPUT 100 pF INCLUDING JIG AND SCOPE 5V OUTPUT 5 pF INCLUDING JIG AND SCOPE a b OUTPUT R1 1800Ω R1 1800Ω R2 990 R2 990Ω 639Ω Equivalent to THÉVENIN EQUIVALENT 1 77V Rise TIme 1 V ns Fall TIme 1 V ns Ω Data Retention Waveform Data Retention Characteristics Over the Operating Range for LL version only Parameter Description Conditions Min Typ Max Unit VDR VCC for Da...

Страница 5: ...d from Write End 0 0 ns tLZWE WE HIGH to Low Z 9 5 5 ns tHZWE WE LOW to High Z 8 9 20 25 ns Switching Waveforms Read Cycle No 1 12 13 Notes 7 Test conditions assume signal transition time of 5 ns or less timing reference levels of 1 5V input pulse levels of 0 to 3 0V and output loading of the specified IOL IOH and 100 pF load capacitance 8 tHZOE tHZCE and tHZWE are specified with a load capacitanc...

Страница 6: ...IGH 15 Data I O is high impedance if OE VIH 16 If CE1 goes HIGH or CE2 goes LOW simultaneously with WE going HIGH the output remains in a high impedance state Switching Waveforms continued 50 50 DATA VALID tRC tACE tDOE tLZOE tLZCE tPU HIGH IMPEDANCE tHZOE tHZCE tPD HIGH OE CE1 ICC ISB IMPEDANCE ADDRESS CE2 DATA OUT VCC SUPPLY CURRENT tWC DATA VALID tAW tSA tPWE tHA tHD tSD tSCE tSCE CE1 ADDRESS C...

Страница 7: ...E LOW 15 16 Note 17 During this period the I Os are in the output state and input signals should not be applied Switching Waveforms continued tHD tSD tPWE tSA tHA tAW tSCE tSCE tWC tHZOE DATAINVALID CE1 ADDRESS CE2 WE DATA I O OE NOTE 17 DATA VALID tHD tSD tLZWE tPWE tSA tHA tAW tSCE tSCE tWC tHZWE CE1 ADDRESS CE2 WE DATAI O NOTE 17 Feedback ...

Страница 8: ...XI ZA32 32 Lead STSOP Type I Pb Free Industrial CY62128BLL 55ZRI ZR32 32 Lead Reverse TSOP Type I Industrial 70 CY62128BLL 70SI S34 32 Lead 450 Mil SOIC I Industrial CY62128BLL 70SXI S34 32 Lead 450 Mil SOIC I Pb Free Industrial CY62128BLL 70SC S34 32 Lead 450 Mil SOIC I Commercial CY62128BLL 70SXC S34 32 Lead 450 Mil SOIC I Pb Free Commercial CY62128BLL 70SE S34 32 Lead 450 Mil SOIC I Automotive ...

Страница 9: ...18 2 997 0 004 0 102 0 047 1 193 0 006 0 152 0 023 0 584 0 793 20 142 0 450 11 430 0 566 14 376 0 111 2 819 0 817 20 751 BSC 0 020 0 508 MIN MAX 0 012 0 304 0 039 0 990 0 063 1 600 SEATING PLANE 1 16 17 32 0 004 0 102 32 Lead 450 MIL Molded SOIC S34 51 85081 B 51 85056 D 32 Lead Thin Small Outline Package Type I 8x20 mm Z32 Feedback ...

Страница 10: ...pursuant to an express written agreement with Cypress Furthermore Cypress does not authorize its products for use as critical components in life support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user The inclusion of Cypress products in life support systems application implies that the manufacturer assumes all risk of such use and in d...

Страница 11: ...r 38 00524 to 38 05300 A 126601 06 09 03 JUI Changed CE to CE1 and added CE2 0 3V in Data Retention Characteristics table Removed these part numbers from Ordering Information table CY62128BLL 55ZC CY62128BLL 55ZAC CY62128BLL 55ZRC CY62128BLL 70ZAC CY62128BLL 70ZRI CY62128BLL 70ZRC B 239134 See ECN AJU Added Thermal Resistance table Added Automotive product information C 334398 See ECN SYT Added Pb...

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