M48T59Y-70PC1 STMicroelectronics, M48T59Y-70PC1 Datasheet - Page 24

• Manufacturer Part Number: M48T59Y-70PC1
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T59Y-70PC1

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2862-5

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Table 12.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 13.
1. Valid for ambient operating temperature: T
2. All voltages referenced to V
3. At 25°C, V
Symbol
Symbol
t
V
t
(except where noted).
until 200µs after V
(except where noted).
DR
V
t
FB
t
t
t
F
PFD
PFD
PFD
PD
t
RB
rec
SO
(2)
R
(3)
(3)
(min) to V
(max) to V
Power-fail deselect voltage
Battery back-up switchover
voltage
Expected data retention time
E or W at V
V
V
V
V
V
CC
Power down/up AC characteristics
PFD
PFD
PFD
SS
PFD
Power down/up trip points DC characteristics
= 0 V.
to V
SS
PFD
(min) to V
(max) to V
(min) to V
(max) to RST high
CC
fall time of less than t
PFD
(min) fall time of less than t
passes V
IH
(min) V
Parameter
before power down
PFD
SS
SS
PFD
.
Parameter
PFD
V
(max) V
CC
CC
(min) V
(min).
fall time
rise time
(1)(2)
FB
CC
CC
A
A
may cause corruption of RAM data.
(1)
= 0 to 70°C; V
= 0 to 70°C; V
fall time
rise time
M48T59/Y
M48T59Y
M48T59V
M48T59V
F
M48T59
may result in deselection/write protection not occurring
CC
CC
= 4.5 to 5.5 V, 4.75 to 5.5 V, or 3.0 to 3.6 V
= 4.5 to 5.5 V, 4.75 to 5.5 V, or 3.0 to 3.6 V
Min
4.5
4.2
2.7
7
V
Min
300
10
10
40
0
1
PFD
4.35
Typ
4.6
2.9
3.0
–100mV
Max
200
Max
4.75
4.5
3.0
Unit
YEARS
ms
µs
µs
µs
µs
µs
Unit
V
V
V
V
V