W25X20A WINBOND [Winbond], W25X20A Datasheet - Page 36

• Manufacturer Part Number: W25X20A
• Description: 1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
• Manufacturer: WINBOND [Winbond]

11.8 AC Electrical Characteristics (
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 W25X10A / W25X20A
Chip Erase Time W25X40A
Chip Erase Time W25X80A
1.
2.
3.
4.
5.
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.
Commercial temperature only applies to Fast Read (F
For multiple bytes after first byte within a page,
= number of bytes programmed.
W25X10A, W25X20A, W25X40A, W25X80A
(5)
cont’d)
t
BPN
- 36 -
(5)
=
R1
t
). Industrial temperature applies to all other parameters.
C
BP1 +
.
SYMBOL
t
t
t
t
t
t
HHQX
WHSL
SHWL
HLQZ
RES
RES
t
t
t
t
t
CHHH
HHCH
HLCH
CHHL
DP
t
t
t
t
t
t
t
t
BP2 * N
BP1
BP2
PP
SE
BE
CE
W
1
2
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(typical) and
ALT
t
t
HZ
LZ
t
BPN
MIN
100
20
5
5
5
5
=
t
BP1 +
TYP
SPEC
120
1.5
0.4
1.5
10
30
t
6
3
6
BP2 * N
(max), where N
MAX
250
1.8
12
15
50
12
10
7
3
3
3
1
3
5
UNIT
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs
µs
µs
s
s
s
s