M48T512Y-70PM1 STMicroelectronics, M48T512Y-70PM1 Datasheet - Page 8

• Manufacturer Part Number: M48T512Y-70PM1
• Description: IC TIMEKPR NVRAM 4MBIT 5V 32-DIP
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T512Y-70PM1

• Memory Size: 4M (512K 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: 32-DIP (600 mil) Module
• Clock Format: BCD
• Clock Ic Type: Timekeeper
• Memory Configuration: 512K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 32
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Nvram Features: RTC, Internal Battery, XTAL
• Access Time: 70ns
• Memory Case Style: DIP
• Bus Type: Parallel
• User Ram: 512KB
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 32
• Mounting: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2856-5

Operating modes
Figure 4.
Note:
Table 3.
1. Valid for ambient operating temperature: T
2. C
8/23
Symbol
t
t
t
t
GHQZ
L
ELQX
GLQX
EHQZ
t
t
t
t
t
AVQV
GLQV
AXQX
ELQV
AVAV
= 5 pF.
(2)
(2)
(2)
(2)
A0-A18
E
G
DQ0-DQ7
READ mode AC waveforms
WE = High.
READ mode AC characteristics
READ cycle time
Address valid to output valid
Chip enable low to output valid
Output enable low to output valid
Chip enable low to output transition
Output enable low to output transition
Chip enable high to output Hi-Z
Output enable high to output Hi-Z
Address transition to output transition
Parameter
tAVQV
A
tELQX
(1)
= 0 to 70 °C; V
tGLQX
tELQV
tGLQV
Doc ID 5747 Rev 6
tAVAV
VALID
CC
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
Min
70
10
5
5
M48T512Y
–70
DATA OUT
Max
70
40
25
70
25
tAXQX
tGHQZ
Min
85
5
5
5
M48T512Y, M48T512V
M48T512V
–85
tEHQZ
Max
85
85
55
30
30
AI02389
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns