
W25X16, W25X16A, W25X32, W25X64
AC Electrical Characteristics (cont’d)
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
SYMBOL
t HLCH
t CHHH
t HHCH
t CHHL
ALT
MIN
5
5
5
5
SPEC
TYP
MAX
UNIT
ns
ns
ns
ns
/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
t HHQX (2)
t HLQZ (2)
t WHSL (3)
t SHWL (3)
t DP (2)
t RES 1 (2)
t LZ
t HZ
20
100
7
12
3
3
ns
ns
ns
ns
μs
μs
Signature Read
/CS High to Standby Mode with Electronic
t RES 2 (2)
1.8
μs
Signature Read
Write Status Register Time
Byte Program Time (First Byte) (4)
Additional Byte Program Time (After First Byte) (4)
Page Program Time
Sector Erase Time (4KB) W25X16, W25X32
Sector Erase Time (4KB) W25X16A, W25X64
Block Erase Time (64KB) W25X16, W25X32
Block Erase Time (64KB) W25X16A, W25X64
Chip Erase Time W25X16
Chip Erase Time W25X16A
Chip Erase Time W25X32, W25X64
t W
t BP1
t BP2
t PP
t SE
t BE
t CE
10
30
6
1.6
150
120
0.8
0.32
25
10
40
15
50
12
3
300
200
2
1
40
20
80
ms
μs
μs
ms
ms
ms
s
s
s
s
s
Notes:
1.
2.
3.
4.
Clock high + Clock low must be less than or equal to 1/f C .
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, t BPN = t BP1 + t BP2 * N (typical) and t BPN = t BP1 + t BP2 * N (max), where N
= number of bytes programmed.
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