DC and AC parameters
Table 19.
AC characteristics (25 MHz operation)
Test conditions specified in
and
Symbol
f
C
f
R
t
CH (1)
t
CL (1)
t
CLH
t
CLL
Alt.
f
C
Parameter
Clock frequency for the following instructions:
FAST_READ, PW, PP, PE, SE, DP, RDP,
WREN, WRDI, RDSR
Clock frequency for READ instructions
Clock High time
Clock Low time
Clock Slew rate (peak-to-peak)
t
SLCH
t
CHSL
t
DVCH
t
CHDX
t
CHSH
t
SHCH
t
SHSL
t
SHQZ (2)
t
CLQV
t
CLQX
t
THSL
t
SHTL
t
DP (2)
t
RDP (2)
t
PW (3)
t
CSH
t
DIS
t
V
t
HO
t
DSU
t
DH
t
CSS
S Active Setup time (relative to C)
S Not Active Hold time (relative to C)
Data In Setup time
Data In Hold time
S Active Hold time (relative to C)
S Not Active Setup time (relative to C)
S Deselect time
Output Disable time
Clock Low to Output Valid
Output Hold time
Top Sector Lock Setup time
Top Sector Lock Hold time
S to Deep Power-down
S High to Standby Power mode
Page Write cycle time (256 bytes)
Page Write cycle time (n bytes)
Page Program cycle time (256 bytes)
t
PP (3)
t
PE
t
SE
Page Program cycle time (n bytes)
Page Erase cycle time
Sector Erase cycle time
11
10.2+
n*0.8/256
1.2
0.4+
n*0.8/256
10
1
5
25
0
50
100
3
30
Min.
D.C.
D.C.
18
18
0.1
10
10
5
5
10
10
100
15
15
Typ.
Max.
25
20
M
M25PE40
Unit
MHz
MHz
ns
ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ms
ms
20
5
ms
s
1. t
CH
+ t
CL
must be greater than or equal to 1/ f
C
.
2. Value guaranteed by characterization, not 100% tested in production.
3. When using PP and PW instructions to update consecutive bytes, optimized timings are obtained with one sequence
including all the bytes versus several sequences of only a few bytes (1
≤
n
≤
256).
48/62
NUMONYX [ NUMONYX B.V ]
