cy62136v Cypress Semiconductor Corporation., cy62136v Datasheet - Page 6

• Manufacturer Part Number: cy62136v
• Description: 2-mbit 128k X 16 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-05087 Rev. *D
Switching Characteristics
Read Cycle
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Write Cycle
t
t
t
t
t
t
t
t
t
t
t
Notes:
10. At any given temperature and voltage condition, t
11. t
12. The internal write time of the memory is defined by the overlap of CE LOW and WE LOW. Both signals must be LOW to initiate a write and either signal can
13. The minimum write cycle time for write cycle 3 (WE controlled, OE LOW) is the sum of t
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
DBE
LZBE
HZBE
WC
SCE
AW
HA
SA
PWE
BW
SD
HD
HZWE
LZWE
terminate a write by going HIGH. The data input set-up and hold timing should be referenced to the rising edge of the signal that terminates the write.
HZOE
Parameter
, t
HZCE
, and t
[12, 13]
HZWE
are specified with C
Read Cycle Time
Address to Data Valid
Data Hold from Address Change
CE LOW to Data Valid
OE LOW to Data Valid
OE LOW to Low-Z
OE HIGH to High-Z
CE LOW to Low-Z
CE HIGH to High-Z
CE LOW to Power-up
CE HIGH to Power-down
BLE/BHE LOW to Data Valid
BLE/BHE LOW to Low-Z
BLE/BHE HIGH to High-Z
Write Cycle Time
CE LOW to Write End
Address Set-up to Write End
Address Hold from Write End
Address Set-up to Write Start
WE Pulse Width
BLE/BHE LOW to Write End
Data Set-up to Write End
Data Hold from Write End
WE LOW to High-Z
WE HIGH to Low-Z
Over the Operating Range
L
Description
= 5 pF as in (b) of AC Test Loads. Transition is measured ±500 mV from steady-state voltage.
[10]
[10]
[10, 11]
[10, 11]
[10]
[10, 11]
HZCE
is less than t
[10, 11]
[12]
LZCE
, t
HZOE
[9]
is less than t
Min.
55
10
10
55
45
45
40
50
25
5
0
5
0
0
0
5
HZWE
LZOE
55 ns
and t
, and t
SD
HZWE
.
Max.
55
55
25
25
25
55
25
25
20
is less than t
LZWE
Min.
CY62136V MoBL
70
10
10
70
60
60
50
60
30
10
for any given device.
5
0
5
0
0
0
70 ns
Max.
70
70
35
25
25
70
35
25
25
Page 6 of 13
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
®
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