M41T94MQ6 STMicroelectronics, M41T94MQ6 Datasheet - Page 31

• Manufacturer Part Number: M41T94MQ6
• Description: Real Time Clock Serial 512 (64x8)
• Manufacturer: STMicroelectronics

Specifications of M41T94MQ6

• Function: Clock, Calendar, Alarm, Timer Interrupt
• Rtc Memory Size: 64 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: SO-16
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M41T94
Figure 17. Power down/up mode AC waveforms
Table 15.
1. Valid for ambient operating temperature: T
2. V
3. V
4. Programmable (see
5. At 25°C, V
Symbol
t
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
RST
OUTPUTS
REC
t
until 200 µs after V
t
FB
t
t
F
PFD
PFD
t
RB
DR
(2)
R
(3)
(4)
(min) to V
(max) to V
V
V
V
V
Power up deselect time
Expected data retention time
CC
Power down/up AC characteristics
PFD
PFD
PFD
SS
= 0 V (when using SOH28 + M4T28-BR12SH SNAPHAT
SS
(PER CONTROL INPUT)
to V
PFD
(min) to V
(max) to V
(min) to V
fall time of less than t
CC
VALID
PFD
(min) fall time of less than t
Table 8 on page
RECOGNIZED
passes V
tF
(min) V
SS
PFD
PFD
Parameter
V
PFD
(max) V
CC
CC
(min) V
(min).
fall time
rise time
27).
tFB
FB
CC
CC
(1)
A
may cause corruption of RAM data.
= –40 to 85°C; V
rise time
fall time
F
may result in deselection/write protection not occurring
tDR
DON'T CARE
HIGH-Z
CC
= 2.7 to 5.5 V (except where noted).
10
Min
300
10
10
40
tRB
1
(5)
®
top).
DC and AC parameters
Typ
tR
Max
200
(PER CONTROL INPUT)
tREC
RECOGNIZED
VALID
YEARS
Unit
AI03687
ms
µs
µs
µs
µs
31/41