m41st95w STMicroelectronics, m41st95w Datasheet - Page 28

• Manufacturer Part Number: m41st95w
• Description: 5.0 Or 3.0v, 512 Bit 64 Bit X 8 Serial Rtc Spi Sram And Nvram Supervisor
• Manufacturer: STMicroelectronics

M41ST95Y*, M41ST95W
Figure 21. Power Down/Up Mode AC Waveforms
Table 14. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
28/35
Symbol
t
REC
t
t
t
FB
t
PFD
2. V
3. V
4. Programmable (see
5. After crystal oscillator has started
F
t
RB
R
(2)
(3)
(4,5)
200µs after V
PFD
PFD
V CC
V PFD (max)
V PFD (min)
V SO
RST
INPUTS
OUTPUTS
E CON
(min) to V
(max) to V
V
V
V
V
PFI to PFO Propagation Delay
Power up Deselect Time
PFD
PFD
PFD
SS
CC
to V
PFO
(min) to V
(max) to V
(min) to V
SS
PFD
passes V
tPD
PFD
fall time of less than t
(PER CONTROL INPUT)
(min) fall time of less than t
Table 8., page
(min) V
VALID
RECOGNIZED
PFD
PFD
SS
PFD
tF
V
(min).
(max) V
CC
CC
(min) V
Parameter
Fall Time
Rise Time
23)
FB
CC
CC
may cause corruption of RAM data.
A
Fall Time
Rise Time
tFB
(1)
= –40 to 85°C; V
F
may result in deselection/write protection not occurring until
tDR
CC
DON'T CARE
= 4.5 to 5.5V or 2.7 to 3.6V (except where noted).
HIGH-Z
tRB
Min
300
10
10
96
1
Typ
15
tR
(PER CONTROL INPUT)
tREC
Max
RECOGNIZED
25
98
VALID
AI03661
Unit
ms
µs
µs
µs
µs
µs