M40Z300AVMH1E STMICROELECTRONICS [STMicroelectronics], M40Z300AVMH1E Datasheet - Page 13

• Manufacturer Part Number: M40Z300AVMH1E
• Description: 3V NVRAM Supervisor for Up to 8 LPSRAMs
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 7. Power Down/Up Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
Symbol
t
REC
t
2. V
3. V
4. t
t
t
t
t
t
FB
WPT
EDH
t
CER
t
F
EDL
t
AS
RB
R
(2)
passes V
(3)
REC
(4)
PFD
PFD
(min) = 20ms for industrial temperature Grade 6 device.
(min) to V
(max) to V
PFD
V
V
V
Chip Enable Propagation Delay Low
Chip Enable Propagation Delay High
A, B set up to E
Chip Enable Recovery
V
Write Protect Time
V
PFD
PFD
PFD
PFD
SS
(min).
SS
to V
(min) to V
PFD
(max) to V
(min) to V
(max) to RST High
fall time of less than t
PFD
(min) fall time of less than tF may result in deselection/write protection not occurring until 200 µs after V
(min) V
PFD
SS
PFD
V
(max) V
CC
CC
(min) V
Parameter
Fall Time
Rise Time
FB
CC
may cause corruption of RAM data.
CC
A
= 0 to 70°C or –40 to 85°C; V
Rise Time
Fall Time
(1)
CC
= 3.0 to 3.6V (except where noted).
Min
300
150
10
40
40
40
0
1
Max
120
120
250
20
20
M40Z300AV
Unit
ms
ms
µs
µs
µs
ns
ns
ns
µs
µs
13/20
CC