Cypress CY7C1305BV25, CY7C1307BV25 CY7C1307BV25 CY7C1305BV25

CY7C1307BV25
CY7C1305BV25
Document #: 38-05630 Rev. *A Page 13 of 21
Output Times
tTDOV TCK Clock LOW to TDO Valid 20 ns
tTDOX TCK Clock LOW to TDO Invalid 0 ns
TAP Timing and Test Conditions[14]
Identification Register Definitions
Instruction Field
Value
DescriptionCY7C1305BV25 CY7C1307BV25
Revision Number (31:29) 000 000 Version number.
Cypress Device ID (28:12) 01011010011010101 01011010011100101 Defines the type of SRAM.
Cypress JEDEC ID (11:1) 00000110100 00000110100 Allows unique identification of SRAM vendor.
ID Register Presence (0) 1 1 Indicate the presence of an ID register.
TAP AC Switching Characteristics Over the Operating Range (continued)[13, 14]
Parameter Description Min. Max. Unit
(a)
TDO
CL= 20 pF
Z0=50Ω
GND
1.25V
Test Clock
Test Mode Select
TCK
TMS
Test Data-In
TDI
Test Data-Out
TDO
tTCYC
tTMSH
tTL
tTH
tTMSS
tTDIS tTDIH
tTDOX tTDOV
50Ω
2.5V
0V
ALL INPUT PULSES
1.25V
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