m41t315v STMicroelectronics, m41t315v Datasheet - Page 13

• Manufacturer Part Number: m41t315v
• Description: Serial Access Phantom Rtc Supervisor
• Manufacturer: STMicroelectronics

Table 4.
1. Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 4.5 to 5.5V (except where noted).
2. t
3. t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WLWH
WHAX
DVWH
WHDX
GHQZ
GLGH
ELQV
GLQV
ELQX
GLQX
EHQZ
EHAX
DVEH
EHDX
ELEH
AVAV
AVAV
WR
DH
Symbol
and t
is a function of the latter occurring edge of WE or CEI.
DS
t
t
t
t
t
t
WR
DH
t
DS
t
t
t
t
COE
t
ODO
t
t
t
OEE
t
RST
CW
OW
WC
WP
RC
CO
OE
OD
RR
AC electrical characteristics (M41T315V/W)
are functions of the first occurring edge of WE or CEI in RAM mode.
(3)
(3)
(2)
READ cycle time
CEI access time
OE access time
CEI to output low Z
OE to output low Z
CEI to output high Z
OE to output high Z
READ recovery
CEI pulse width
OE pulse width
WRITE cycle
WRITE pulse width
WRITE recovery
Data setup
Data hold time
RST pulse width
Parameter
(1)
Min
85
20
65
60
85
60
25
35
85
5
5
5
Typ
Max
85
85
30
30
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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