M48Z35Y-70PC1 STMicroelectronics, M48Z35Y-70PC1 Datasheet - Page 5
![IC NVSRAM 256KBIT 70NS 28DIP](/photos/6/58/65820/497-28-dip_series_sml.jpg)
M48Z35Y-70PC1
Manufacturer Part Number
M48Z35Y-70PC1
Description
IC NVSRAM 256KBIT 70NS 28DIP
Manufacturer
STMicroelectronics
Specifications of M48Z35Y-70PC1
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
256K (32K x 8)
Speed
70ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
28-DIP Module (600 mil), 28-EDIP
Data Bus Width
8 bit
Organization
32 Kb x 8
Interface Type
Parallel
Access Time
70 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Operating Current
50 mA
Maximum Operating Temperature
70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Capacitance, Input
10 pF
Capacitance, Output
10 pF
Current, Input, Leakage
±1 μA
Current, Operating
50 mA
Current, Output, Leakage
±5
Data Retention
10 yrs.
Density
256K
Package Type
PCDIP28
Power Dissipation
1 W
Temperature, Operating
0 to +70 °C
Time, Access
70 ns
Time, Fall
≤5 ns
Time, Rise
≤5 ns
Voltage, Input, High
4.8 to 5.8 V
Voltage, Input, Low
0.8 V
Voltage, Output, High
2.4 V
Voltage, Output, Low
0.4 V
Voltage, Supply
4.5 to 5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2885-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M48Z35Y-70PC1
Manufacturer:
ST
Quantity:
20 000
Figure 8.
Table 5.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 6.
1. Valid for ambient operating temperature: T
2. At 25°C, V
Note:
12/23
Symbol
Symbol
V
t
V
t
V
DR
PFD
CC
PFD
t
FB
t
t
t
F
PFD
PD
t
RB
rec
SO
R
(2)
(2)
(3)
passes V
(min) to V
(max) to V
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
OUTPUTS
CC
Power-fail deselect voltage
Battery back-up switchover voltage
Expected data retention time
For more information on Battery Storage Life refer to the Application Note AN1012.
Power down/up mode AC waveforms
Power down/up AC characteristics
Power down/up trip points DC characteristics
All voltages referenced to V
E or W at V
V
V
V
V
V
= 0V.
PFD
PFD
PFD
PFD
SS
PFD
SS
PFD
to V
(min).
fall time of less than t
(max) to V
(min) to V
(min) to V
(max) to inputs recognized
(min) fall time of less than t
tPD
PFD
(PER CONTROL INPUT)
IH
(min) V
VALID
before power down
RECOGNIZED
SS
PFD
PFD
Parameter
tF
Parameter
V
(max) V
CC
CC
(min) V
fall time
rise time
FB
A
A
may cause corruption of RAM data.
(1)
CC
CC
= 0 to 70°C; V
= 0 to 70°C; V
(1)
SS
rise time
fall time
F
tFB
may result in deselection/write protection not occurring until 200µs after
.
M48Z35/Y
M48Z35Y
M48Z35
CC
CC
= 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
= 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
tDR
DON'T CARE
HIGH-Z
Min
300
Min
4.5
4.2
10
10
40
10
0
1
tRB
4.35
Typ
4.6
3.0
Max
200
tR
(PER CONTROL INPUT)
trec
RECOGNIZED
Max
4.75
VALID
4.5
AI01168C
Unit
ms
µs
µs
µs
µs
µs
YEARS
Unit
V
V
V