cy7c1380d-250bzxi Cypress Semiconductor Corporation., cy7c1380d-250bzxi Datasheet - Page 23

• Manufacturer Part Number: cy7c1380d-250bzxi
• Description: 18-mbit 512k X 36/1m X 18 Pipelined Sram
• Manufacturer: Cypress Semiconductor Corporation.

Switching Waveforms
Document #: 38-05543 Rev. *E
Notes:
Read/Write Cycle Timing
28. The data bus (Q) remains in high-Z following a WRITE cycle, unless a new read access is initiated by ADSP or ADSC.
29. GW is HIGH.
Data Out (Q)
Data In (D)
ADDRESS
ADSP
ADSC
BWE,
BW
ADV
CLK
OE
CE
X
A1
High-Z
High-Z
t ADS
t CES
t AS
A2
t ADH
t CEH
t CH
t AH
Back-to-Back READs
t CYC
t CLZ
Q(A1)
t CL
[26, 28, 29]
(continued)
t CO
Q(A2)
t OEHZ
t WES
t DS
D(A3)
Single WRITE
A3
t DH
t WEH
DON’T CARE
A4
t OELZ
UNDEFINED
Q(A4)
BURST READ
Q(A4+1)
CY7C1380D, CY7C1380F
CY7C1382D, CY7C1382F
Q(A4+2)
Q(A4+3)
D(A5)
A5
Back-to-Back
WRITEs
Page 23 of 30
D(A6)
A6
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