M40Z300MH1TR STMICROELECTRONICS [STMicroelectronics], M40Z300MH1TR Datasheet - Page 14

• Manufacturer Part Number: M40Z300MH1TR
• Description: 5V or 3V NVRAM Supervisor for Up to 8 LPSRAMs
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M40Z300, M40Z300W
Table 7. Power Down/Up Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
14/21
Symbol
t
REC
t
t
t
t
t
t
FB
EDH
CER
WPT
t
t
F
EDL
2. V
3. V
4. t
t
RB
AS
(2)
R
(3)
(4)
passes V
REC
PFD
PFD
(min) = 20ms for industrial temperature Grade 6 device.
(min) to V
(max) to V
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
PFD
SS
to V
(min).
(min) to V
(max) to V
(min) to V
(max) to RST High
SS
PFD
PFD
fall time of less than t
(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
Fall Time
Rise Time
Parameter
CC
FB
CC
may cause corruption of RAM data.
Rise Time
A
Fall Time
= 0 to 70°C or –40 to 85°C; V
(1)
M40Z300W
M40Z300W
M40Z300W
M40Z300W
M40Z300
M40Z300
M40Z300
M40Z300
CC
= 2.7 to 3.6V or 4.5 to 5.5V(except where noted).
Min
300
150
10
10
40
40
40
40
0
1
Max
120
120
150
250
12
20
10
20
Unit
ms
ms
µs
µs
µs
µs
ns
ns
ns
ns
ns
µs
µs
µs
CC