M45PE40-VMP6 STMICROELECTRONICS [STMicroelectronics], M45PE40-VMP6 Datasheet - Page 27

• Manufacturer Part Number: M45PE40-VMP6
• Description: 4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 12. AC Characteristics (25MHz operation)
Note: 1. t
Symbol
t
t
t
SHQZ
RLRH
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PW
t
t
CHDX
CHSH
SHCH
SHRH
WHSL
SHWL
t
RDP
PP
SLCH
CHSL
DVCH
CLQV
CLQX
RHSL
SHSL
CH
DP
CL
t
t
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
f
f
PE
SE
C
R
(3)
(3)
1
2
1
the Bytes versus several sequences of only a few Bytes. (1 n 256)
2
CH
2
2
+ t
CL
must be greater than or equal to 1/ f
t
t
t
t
t
t
t
Alt.
t
t
CSS
DSU
t
CSH
REC
CLH
RST
CLL
DIS
DH
HO
f
t
C
V
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
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
Reset Pulse Width
Reset Recovery Time
Chip should have been deselected
before Reset is de-asserted
Write Protect Setup Time
Write Protect 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)
Page Program Cycle Time (n Bytes)
Page Erase Cycle Time
Sector Erase Cycle Time
Test conditions specified in
Parameter
2
(peak to peak)
C
(max)
Table 8.
Min.
0.03
D.C.
D.C.
200
100
and
18
10
10
10
50
18
10
10
10
5
5
0
Table 9.
n*0.8/256
n*0.8/256
10.2+
Typ.
0.4+
1.2
11
10
1
Max.
30
25
20
15
15
25
20
3
3
5
5
M45PE40
MHz
MHz
Unit
V/ns
ms
ms
ms
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
27/35