CY7C1380D CYPRESS [Cypress Semiconductor], CY7C1380D Datasheet - Page 20

• Manufacturer Part Number: CY7C1380D
• Description: 18-Mbit (512K x 36/1M x 18) Pipelined SRAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-05543 Rev. *A
Switching Characteristics
t
Clock
t
t
t
Output Times
t
t
t
t
t
t
t
Setup Times
t
t
t
t
t
t
Hold Times
t
t
t
t
t
t
Shaded areas contain advance information.
Notes:
20. This part has a voltage regulator internally; t
21. t
22. At any given voltage and temperature, t
23. This parameter is sampled and not 100% tested.
24. Timing reference level is 1.5V when V
25. Test conditions shown in (a) of AC Test Loads unless otherwise noted.
POWER
CYC
CH
CL
CO
DOH
CLZ
CHZ
OEV
OELZ
OEHZ
AS
ADS
ADVS
WES
DS
CES
AH
ADH
ADVH
WEH
DH
CEH
Parameter
can be initiated.
data bus. These specifications do not imply a bus contention condition, but reflect parameters guaranteed over worst case user conditions. Device is designed
to achieve High-Z prior to Low-Z under the same system conditions
CHZ
, t
CLZ
,t
OELZ
, and t
V
Clock Cycle Time
Clock HIGH
Clock LOW
Data Output Valid After CLK Rise
Data Output Hold After CLK Rise
Clock to Low-Z
Clock to High-Z
OE LOW to Output Valid
OE LOW to Output Low-Z
OE HIGH to Output High-Z
Address Set-up Before CLK Rise
ADSC , ADSP Set-up Before CLK Rise
ADV Set-up Before CLK Rise
GW, BWE, BW
Data Input Set-up Before CLK Rise
Chip Enable Set-Up Before CLK Rise
Address Hold After CLK Rise
ADSP , ADSC Hold After CLK Rise
ADV Hold After CLK Rise
GW , BWE , BW
Data Input Hold After CLK Rise
Chip Enable Hold After CLK Rise
OEHZ
DD
(Typical) to the first Access
are specified with AC test conditions shown in part (b) of AC Test Loads. Transition is measured ± 200 mV from steady-state voltage.
DDQ
X
Description
[21, 22, 23]
X
OEHZ
Over the Operating Range
[21, 22, 23]
Hold After CLK Rise
Set-up Before CLK Rise
= 3.3V and is 1.25V when V
POWER
is less than t
is the time that the power needs to be supplied above V
[21, 22, 23]
[21, 22, 23]
OELZ
[20]
PRELIMINARY
and t
CHZ
DDQ
is less than t
[24, 25]
= 2.5V.
Min.
4.0
1.7
1.7
1.0
1.0
1.2
1.2
1.2
1.2
1.2
1.2
0.3
0.3
0.3
0.3
0.3
0.3
1
0
250 MHz
CLZ
to eliminate bus contention between SRAMs when sharing the same
Max
2.6
2.6
2.6
2.6
2.0
2.0
1.3
1.3
1.4
1.4
1.4
1.4
1.4
1.4
0.4
0.4
0.4
0.4
0.4
0.4
200 MHz
1
5
0
DD
(minimum) initially before a read or write operation
3.0
3.0
3.0
3.0
Min.
2.2
2.2
1.3
1.3
1.5
1.5
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
0.5
0.5
167 MHz
1
6
0
CY7C1380D
CY7C1382D
Max
3.4
3.4
3.4
3.4
Page 20 of 29
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns