M41T315W-65MH6TR ST Microelectronics, M41T315W-65MH6TR Datasheet - Page 9

• Manufacturer Part Number: M41T315W-65MH6TR
• Description: Serial Access Phantom RTC Supervisor
• Manufacturer: ST Microelectronics

Table 3. AC Electrical Characteristics (M41T315Y)
Note: 1. Valid for Ambient Operating Temperature: T
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WLWH
WHAX
DVWH
WHDX
GHQZ
GLGH
GLQV
GLQX
EHQZ
EHAX
DVEH
EHDX
ELQV
ELQX
ELEH
AVAV
AVAV
2. t
3. t
WR
DH
Symbol
and t
is a function of the latter occurring edge of WE or CEI.
DS
t
t
t
WR
t
t
t
DS
DH
t
are functions of the first occurring edge of WE or CEI in RAM mode.
t
t
t
t
t
t
ODO
t
t
COE
OEE
t
RST
OW
CW
WC
WP
RC
CO
OE
OD
RR
(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
A
= –40 to 85°C; V
(1)
CC
= 4.5 to 5.5V (except where noted).
Min
M41T315Y*, M41T315V, M41T315W
65
10
55
55
65
55
10
30
65
5
5
0
Typ
Max
55
55
25
25
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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