w25x32a Winbond Electronics Corp America, w25x32a Datasheet - Page 37

• Manufacturer Part Number: w25x32a
• Description: 32m-bit Serial Flash Memory With 4kb Sectors And Dual Output Spi
• Manufacturer: Winbond Electronics Corp America

12.7 AC Electrical Characteristics (cont’d)
Notes:
DESCRIPTION
/HOLD Active Setup Time relative to CLK
/HOLD Active Hold Time relative to CLK
/HOLD Not Active Setup Time relative to CLK
/HOLD Not Active Hold Time relative to CLK
/HOLD to Output Low-Z
/HOLD to Output High-Z
Write Protect Setup Time Before /CS Low
Write Protect Hold Time After /CS High
/CS High to Power-down Mode
/CS High to Standby Mode without Electronic
Signature Read
/CS High to Standby Mode with Electronic
Signature Read
Write Status Register Time
Byte Program Time (First Byte)
Additional Byte Program Time (After First Byte)
Page Program Time
Sector Erase Time (4KB)
Block Erase Time (64KB)
Chip Erase Time
1.
2.
3.
4.
Clock high + Clock low must be less than or equal to 1/f
Value guaranteed by design and/or characterization, not 100% tested in production.
Only applicable as a constraint for a Write Status Register instruction when Sector Protect Bit is set to 1.
For multiple bytes after first byte within a page,
number of bytes programmed.
(4)
t
BPN
- 37 -
(4)
=
C
t
.
BP1 +
SYMBOL
t
t
t
t
t
t
HHQX
WHSL
SHWL
RES
RES
t
t
HLQZ
t
t
t
CHHH
HHCH
HLCH
CHHL
DP
t
t
t
t
t
t
t
BP1
BP2
CE
t
PP
SE
BE
W
BP2 * N
(2)
1
2
(2)
(2)
(2)
(2)
(3)
(3)
(typical) and
ALT
Publication Release Date: August 24, 2008
t
t
HZ
LZ
MIN
100
t
20
BPN
5
5
5
5
=
t
BP1 +
0.32
Preliminary - Revision A
TYP
SPEC
120
1.6
10
30
20
6
t
BP2 * N
W25X32A
(max), where N =
MAX
200
1.8
12
15
50
12
40
7
3
3
3
1
UNIT
ms
ms
ms
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
s
s