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Numéro de référence | M48T513Y | ||
Description | 3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM | ||
Fabricant | ST Microelectronics | ||
Logo | |||
M48T513Y
M48T513V
3.3V-5V 4 Mbit (512Kb x8) TIMEKEEPER® SRAM
s INTEGRATED ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL CONTROL
CIRCUIT, BATTERY, and CRYSTAL
s YEAR 2000 COMPLIANT
s BCD CODED CENTURY, YEAR, MONTH,
DAY, DATE, HOURS, MINUTES, and
SECONDS
s BATTERY LOW WARNING FLAG
s AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
s TWO WRITE PROTECT VOLTAGES:
(VPFD = Power-fail Deselect Voltage)
– M48T513Y: 4.2V ≤ VPFD ≤ 4.5V
– M48T513V: 2.7V ≤ VPFD ≤ 3.0V
s CONVENTIONAL SRAM OPERATION;
UNLIMITED WRITE CYCLES
s SOFTWARE CONTROLLED CLOCK
CALIBRATION for HIGH ACCURACY
APPLICATIONS
s 10 YEARS of DATA RETENTION and CLOCK
OPERATION in the ABSENCE of POWER
s SELF CONTAINED BATTERY and CRYSTAL
in DIP PACKAGE
s MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
s PROGRAMMABLE ALARM OUTPUT ACTIVE
in BATTERY BACK-UP MODE
s SURFACE MOUNT CHIP SET PACKAGING
INCLUDES a 44-PIN SOIC and a 32-LEAD
TSOP (SNAPHAT TOP TO BE ORDERED
SEPARATELY)
s SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP WHICH
CONTAINS the BATTERY and CRYSTAL
s SNAPHAT® HOUSING (BATTERY/CRYSTAL)
IS REPLACEABLE
32
1
PMDIP32 (PM)
Module
SNAPHAT (SH)
Battery
32
1
TSOP II 32
(10 x 20mm)
SOH44
Surface Mount Chip Set Solution (CS)
Figure 1. Logic Diagram
VCC
19
A0-A18
8
DQ0-DQ7
W
E
G
WDI
RSTIN
M48T513Y
M48T513V
RST
IRQ/FT
VSS
AI02308
June 2000
1/23
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Pages | Pages 23 | ||
Télécharger | [ M48T513Y ] |
No | Description détaillée | Fabricant |
M48T513V | 3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM | ST Microelectronics |
M48T513Y | 3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM | ST Microelectronics |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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