M48T35Y-70MH1E STMicroelectronics, M48T35Y-70MH1E Datasheet - Page 19

• Manufacturer Part Number: M48T35Y-70MH1E
• Description: IC TIMEKPR NVRAM 256KBIT5V 28SOI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T35Y-70MH1E

• Memory Size: 256K (32K 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: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup
• Rtc Memory Size: 32768 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2849-5; M48T35Y-70MH1

M48T35, M48T35Y
Table 9.
1. Valid for ambient operating temperature: T
2. Outputs deselected.
Figure 12. Power down/up mode AC waveforms
Symbol
I
I
I
V
LO
V
V
I
CC1
CC2
V
noted).
I
CC
OH
OL
LI
IH
IL
(2)
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
OUTPUTS
Supply current (standby)
Supply current (standby)
Output leakage current
DC characteristics
Input leakage current
Output high voltage
Output low voltage
Input high voltage
Input low voltage
Supply current
Parameter
tPD
CMOS
(PER CONTROL INPUT)
TTL
VALID
RECOGNIZED
tF
A
0 V ≤ V
Test condition
0 V ≤ V
E = V
= 0 to 70 or –40 to 85 °C; V
tFB
Outputs open
I
I
OL
OH
E = V
= 2.1 mA
CC
Doc ID 2611 Rev 9
= –1 mA
OUT
IN
– 0.2 V
≤ V
IH
≤ V
CC
CC
(1)
tDR
DON'T CARE
HIGH-Z
–0.3
Min
2.2
2.4
CC
M48T35
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
tRB
V
CC
Max
0.8
0.4
±1
±1
50
3
2
+ 0.3
DC and AC parameters
tR
–0.3
Min
2.2
2.4
(PER CONTROL INPUT)
M48T35Y
trec
RECOGNIZED
VALID
V
CC
Max
0.8
0.4
±1
±1
30
3
2
+ 0.3
AI01168C
Unit
19/28
mA
mA
mA
µA
µA
V
V
V
V