CY14B101K CYPRESS [Cypress Semiconductor], CY14B101K Datasheet - Page 16

• Manufacturer Part Number: CY14B101K
• Description: 1 Mbit (128K x 8) nvSRAM With Real-Time Clock
• Manufacturer: CYPRESS [Cypress Semiconductor]

AC Switching Characteristics
AutoStore/Power Up RECALL
Notes
Document #: 001-06401 Rev. *E
SRAM READ Cycle
t
t
t
t
t
t
t
t
t
t
t
SRAM WRITE Cycle
t
t
t
t
t
t
t
t
t
t
t
t
V
t
11. WE must be HIGH during SRAM READ cycles.
12. Device is continuously selected with CE and OE both low.
13. Measured ±200 mV from steady state output voltage.
14. If WE is low when CE goes low, the outputs remain in the high impedance state.
15. t
16. If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE takes place.
17. Industrial grade devices require 15 ms max.
Parameter
ACE
RC
AA
DOE
OHA
LZCE
HZCE
LZOE
HZOE
PU
PD
WC
PWE
SCE
SD
HD
AW
SA
HA
HZWE
LZWE
HRECALL
STORE
VCCRISE
Cypress
SWITCH
[12]
HRECALL
[11]
[10]
[10]
[12]
[13]
[13]
[13]
[13]
[13]
[13, 14]
Parameter
Parameter
[16, 17]
[15]
starts from the time V
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Parameter
ACS
RC
AA
OE
OH
LZ
HZ
OLZ
OHZ
PA
PS
WC
WP
CW
DW
DH
AW
AS
WR
WZ
OW
Alt.
Chip Enable Access Time
Read Cycle Time
Address Access Time
Output Enable to Data Valid
Output Hold After Address Change
Chip Enable to Output Active
Chip Disable to Output Inactive
Output Enable to Output Active
Output Disable to Output Inactive
Chip Enable to Power Active
Chip Disable to Power Standby
Write Cycle Time
Write Pulse Width
Chip Enable To End of Write
Data Setup to End of Write
Data Hold After End of Write
Address Setup to End of Write
Address Setup to Start of Write
Address Hold After End of Write
Write Enable to Output Disable
Output Active after End of Write
Power Up RECALL Duration
STORE Cycle Duration
Low Voltage Trigger Level
VCC Rise Time
CC
rises above V
SWITCH
Description
Description
.
PRELIMINARY
Min
25
25
20
20
10
20
25 ns part
3
3
0
0
0
0
0
3
Min
150
Max
25
25
12
10
10
25
10
CY14B101K
Min
35
35
25
25
12
25
35 ns part
3
3
0
0
0
0
0
3
Max
12.5
2.65
Max
20
35
35
15
13
13
35
13
Min
45
45
30
30
15
30
CY14B101K
45 ns part
3
3
0
0
0
0
0
3
Page 16 of 24
Max
45
45
20
15
15
45
15
Unit
ms
ms
µs
V
Unit
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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