M48T59Y-70PC1 STMicroelectronics, M48T59Y-70PC1 Datasheet - Page 9

• 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

Figure 5.
Note:
Table 3.
1. Valid for ambient operating temperature: T
2. C
3. C
Symbol
t
t
t
t
t
t
t
t
GLQV
GLQX
EHQZ
GHQZ
AXQX
AVQV
ELQV
ELQX
noted).
t
AVAV
L
L
= 100pF (see
= 5pF (see
(2)
(2)
(3)
(2)
(3)
(3)
(3)
(2)
A0-A12
E
G
DQ0-DQ7
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
The state of the eight three-state Data I/O signals is controlled by E and G. If the outputs are
activated before t
the Address Inputs are changed while E and G remain active, output data will remain valid
for Output Data Hold time (t
Read mode AC waveforms
WRITE enable (W) = High.
Read mode AC characteristics
Figure 13 on page
Figure 13 on page
AVQV
22).
22).
Parameter
, the data lines will be driven to an indeterminate state until t
A
tAVQV
tELQX
= 0 to 70°C; V
tGLQX
tELQV
AXQX
tGLQV
(1)
) but will go indeterminate until the next Address Access.
tAVAV
CC
VALID
= 4.5 to 5.5 V, 4.75 to 5.5 V, or 3.0 to 3.6 V (except where
VALID
Min
70
10
tGHQZ
5
5
M48T59/Y/V
–70
Max
tAXQX
tEHQZ
70
25
70
35
25
AI01385
AVQV
Unit
. If
ns
ns
ns
ns
ns
ns
ns
ns
ns
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