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CY14B101K
PRELIMINARY
Document #: 001-06401 Rev. *E
Page 5 of 24
Table 1. Mode Selection
CE
WE
OE
A15 – A0
Mode
IO
Power
H
X
X
X
Not Selected
Output High-Z
Standby
L
H
L
X
READ SRAM
Output Data
Active
L
L
X
X
WRITE SRAM
Input Data
Active
L
H
L
0x4E38
0xB1C7
0x83E0
0x7C1F
0x703F
0x8B45
READ SRAM
READ SRAM
READ SRAM
READ SRAM
READ SRAM
Autostore
Disable
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Active[1, 2, 3]
L
H
L
0x4E38
0xB1C7
0x83E0
0x7C1F
0x703F
0x4B46
READ SRAM
READ SRAM
READ SRAM
READ SRAM
Read SRAM
Autostore
Enable
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Active[1, 2, 3]
L
H
L
0x4E38
0xB1C7
0x83E0
0x7C1F
0x703F
0x8FC0
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
Store
Output Data
Output Data
Output Data
Output Data
Output Data
Output High-Z
Active ICC2[1, 2, 3]
L
H
L
0x4E38
0xB1C7
0x83E0
0x7C1F
0x703F
0x4C63
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
Recall
Output Data
Output Data
Output Data
Output Data
Output Data
Output High-Z
Active[1, 2, 3]
Notes
1. The six consecutive address locations must be in the order listed. WE must be HIGH during all six cycles to enable a nonvolatile cycle.
2. While there are 17 address lines on the CY14B101K, only the lower 16 lines are used to control software modes.
3. IO state depends on the state of OE. The IO table shown is based on OE Low.
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