M48T08Y-10MH1E STMicroelectronics, M48T08Y-10MH1E Datasheet - Page 20

• Manufacturer Part Number: M48T08Y-10MH1E
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28SOI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T08Y-10MH1E

• 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: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/NV Timekeeping RAM/Battery Backup
• Rtc Memory Size: 8192 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
• Clock Format: HH
• Clock Ic Type: Timekeeper
• Memory Configuration: 8K X 8
• Supply Voltage Range: 4.75V To 5.5V
• Digital Ic Case Style: SOH
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2830-5; M48T08Y-10MH1

DC and AC parameters
5
Note:
20/31
DC and AC parameters
This section summarizes the operating and measurement conditions, as well as the DC and
AC characteristics of the device. The parameters in the following DC and AC characteristic
tables are derived from tests performed under the measurement conditions listed in the
relevant tables. Designers should check that the operating conditions in their projects match
the measurement conditions when using the quoted parameters.
Table 7.
Output Hi-Z is defined as the point where data is no longer driven.
Figure 11. AC testing load circuit
Table 8.
1. Effective capacitance measured with power supply at 5 V; sampled only, not 100% tested.
2. At 25 °C, f = 1 MHz.
3. Outputs deselected.
Supply voltage (V
Ambient operating temperature (T
Load capacitance (C
Input rise and fall times
Input pulse voltages
Input and output timing ref. voltages
Symbol
C
C
IO
IN
(3)
Input capacitance
Input / output capacitance
Operating and AC measurement conditions
Capacitance
Parameter
CC
)
C L includes JIG capacitance
L
)
DEVICE
UNDER
TEST
Parameter
Doc ID 2411 Rev 10
1kΩ
A
)
(1)(2)
4.75 to 5.5
M48T08
0 to 70
0 to 3
5V
100
1.5
5
1.8kΩ
C L = 100pF
OUT
Min
-
-
M48T18/T08Y
M48T08, M48T08Y, M48T18
4.5 to 5.5
0 to 70
0 to 3
100
1.5
5
Max
10
10
Unit
Unit
°C
pF
ns
V
V
V
pF
pF
AI01019