M48T86MH1 STMicroelectronics, M48T86MH1 Datasheet - Page 5

• Manufacturer Part Number: M48T86MH1
• Description: Real Time Clock USE 511-M48T86MH1E
• Manufacturer: STMicroelectronics

Specifications of M48T86MH1

• Function: Clock, Calendar, Interrupt, Alarm
• Rtc Memory Size: 128 B
• 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: Multiplexed
• Package / Case: SO-28
• Time Format: HH:MM:SS, Binary
• Date Format: DW:DM:M:Y, Binary
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M48T86
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Figure 19.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
24-pin DIP connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
28-pin SOIC connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Intel bus read AC waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Intel bus write mode AC waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Motorola bus read/write mode AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Address map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Update period timing and UIP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Update-ended/periodic interrupt relationship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Supply voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
AC testing load circuit (no IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
AC testing load circuit (with IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power down/up mode AC waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
PCDIP24 – 24-pin plastic DIP, battery CAPHAT™, package outline . . . . . . . . . . . . . . . . . 29
SOH28 – 28-lead plastic small outline, 4-socket SNAPHAT
SH – 4-pin SNAPHAT
SH – 4-pin SNAPHAT
Recycling symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
®
®
housing for 48 mAh battery and crystal, package outline . . . . . . . 31
housing for 120 mAh battery and crystal, package outline . . . . . . 32
®
, package outline . . . . . . . . . 30
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