M48T58-70PC1 STMicroelectronics, M48T58-70PC1 Datasheet - Page 23

• Manufacturer Part Number: M48T58-70PC1
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T58-70PC1

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.75 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Function: Clock/Calendar/NV Timekeeping RAM/Battery Backup
• Rtc Memory Size: 8192 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.75 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Clock Format: HH
• Clock Ic Type: Timekeeper
• Memory Configuration: 8K X 8
• Supply Voltage Range: 4.75V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2857-5

M48T58, M48T58Y
Table 9.
1. Valid for ambient operating temperature: T
2. Outputs deselected.
3. The FT pin is open drain.
Figure 12. Power down/up mode AC waveforms
Symbol
I
I
I
V
LO
V
I
V
CC1
CC2
V
I
CC
OH
LI
OL
IH
IL
(2)
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
OUTPUTS
Input leakage current
Output leakage current
Supply current
Supply current (standby) TTL
Supply current (standby)
CMOS
Input low voltage
Input high voltage
Output low voltage
Output low voltage (FT)
Output high voltage
DC characteristics
tPD
Parameter
(PER CONTROL INPUT)
VALID
RECOGNIZED
tF
(3)
A
tFB
= 0 to 70 °C; V
0 V ≤ V
Test condition
E1 = V
E2 = V
0 V ≤ V
Outputs open
I
I
I
OL
OH
OL
E1 = V
E2 = V
Doc ID 2412 Rev 7
= 2.1 mA
= 10 mA
= –1 mA
CC
SS
OUT
IN
+ 0.2 V
– 0.2 V
≤ V
IO
IH
≤ V
CC
CC
CC
tDR
(1)
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where noted).
DON'T CARE
HIGH-Z
–0.3
Min
2.2
2.4
M48T58
tRB
V
CC
Max
0.8
0.4
0.4
±1
±1
50
3
3
+ 0.3
tR
DC and AC parameters
–0.3
(PER CONTROL INPUT)
Min
2.2
2.4
trec
M48T58Y
RECOGNIZED
VALID
V
CC
Max
0.8
0.4
0.4
±1
±1
50
3
3
+ 0.3
AI01168C
Unit
23/33
mA
mA
mA
µA
µA
V
V
V
V