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CY7C1381KV33 Datasheet(PDF) 17 Page - Cypress Semiconductor

Part No. CY7C1381KV33
Description  18-Mbit (512K × 36/1M × 18) Flow-Through SRAM (With ECC)
Download  34 Pages
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
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CY7C1381KV33 Datasheet(HTML) 17 Page - Cypress Semiconductor

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CY7C1381KV33/CY7C1381KVE33
CY7C1383KV33/CY7C1383KVE33
Document Number: 001-97888 Rev. *F
Page 17 of 34
TAP Timing
Figure 3. TAP Timing
t
TL
Test Clock
(TCK)
123456
Test Mode Select
(TMS)
tTH
Test Data-Out
(TDO)
tCYC
Test Data-In
(TDI)
tTMSH
tTMSS
tTDIH
tTDIS
tTDOX
tTDOV
DON’T CARE
UNDEFINED
TAP AC Switching Characteristics
Over the Operating Range
Parameter [8, 9]
Description
Min
Max
Unit
Clock
tTCYC
TCK Clock Cycle Time
50
ns
tTF
TCK Clock Frequency
20
MHz
tTH
TCK Clock HIGH Time
20
ns
tTL
TCK Clock LOW Time
20
ns
Output Times
tTDOV
TCK Clock LOW to TDO Valid
10
ns
tTDOX
TCK Clock LOW to TDO Invalid
0
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 after Clock Rise
5
ns
tCH
Capture Hold after Clock Rise
5
ns
Notes
8. tCS and tCH refer to the setup and hold time requirements of latching data from the boundary scan register.
9. Test conditions are specified using the load in TAP AC test conditions. tR/tF = 1 ns.


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