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參數(shù)資料
| 型號： | DS1321S |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 0K |
| 描述： | IC CTRLR NV W/BATT MON 5V 16SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 控制器類型： | 非易失性 RAM |
| 電源電壓： | 4.75 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-SOIC |
| 包裝： | 管件 |
1 of 13
FEATURES
Converts CMOS SRAM into nonvolatile
memory
Unconditionally write-protects SRAM when
VCC is out of tolerance
Automatically switches to battery backup
supply when VCC power failure occurs
Flexible memory organization
- Mode 0: 4 banks with 1 SRAM each
- Mode 1: 2 banks with 2 SRAMs each
- Mode 2: 1 bank with 4 SRAMs each
Monitors voltage of a lithium cell and
provides advanced warning of impending
battery failure
Signals low-battery condition on active low
Battery Warning output signal
Resets processor when power failure occurs
and holds processor in reset during system
power-up
Optional 5% or 10% power-fail detection
16-pin PDIP, 16-pin SO and 20-pin TSSOP
packages
Industrial temperature range of -40°C to
+85°C
PIN DESCRIPTION
VCCI
- +5V Power Supply Input
VCCO
- SRAM Power Supply Output
VBAT
- Backup Battery Input
A, B
- Address Inputs
CEI1
- CEI4 - Chip Enable Inputs
CEO1
- CEO4 - Chip Enable Outputs
TOL
- VCC Tolerance Select
BW
- Battery Warning Output (Open
Drain)
RST
- Reset Output (Open Drain)
MODE
- Mode Input
GND
- Ground
NC
- No Connection
PIN ASSIGNMENT
DS1321
Flexible Nonvolatile Controller with
Lithium Battery Monitor
1
2
3
4
20
19
18
17
5
6
7
8
9
10
11
12
13
14
15
16
NC
DS1321E 20-Pin TSSOP
VCCI
RST
BW
CEO1
CEO2
NC
CEO3
CEO4
NC
MODE
VCCO
VBAT
TOL
CEI1
CEI2
NC
A/CEI3
B/CEI4
GND
1
2
3
4
16
15
14
13
5
6
7
8
9
10
11
12
VCCI
RST
BW
CEO1
CEO2
CEO3
CEO4
MODE
VCCO
VBAT
TOL
CEI1
CEI2
A/CEI3
B/CEI4
GND
DS1321 16-Pin PDIP
(300 mils)
1
2
3
4
16
15
14
13
5
6
7
8
9
10
11
12
VCCI
RST
BW
CEO1
CEO2
CEO3
CEO4
MODE
VCCO
VBAT
TOL
CEI1
CEI2
A/CEI3
B/CEI4
GND
DS1321S 16-Pin SO
(150 mils)
19-6312; Rev 6/12
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1321S/T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:NV CONTRL 5VX4 BW&RST 16-SO T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTRLR NV W/BATT MON 5V 16SOIC 制造商:Maxim Integrated Products 功能描述:Memory Controllers Flexible NV Cntlr w/Lithium Battery |
| DS1321S/T&R | 功能描述:IC CTRLR NV W/BATT MON 5V 16SOIC RoHS:否 類別:集成電路 (IC) >> 存儲器 - 控制器 系列:- 標準包裝:45 系列:- 控制器類型:靜態(tài) RAM（SRAM） 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:管件 |
| DS1321S+ | 功能描述:存儲器控制器 Flexible NV Cntlr w/Lithium Battery RoHS:否 制造商:Maxim Integrated |
| DS1321S+ | 制造商:Maxim Integrated Products 功能描述:IC NON VOLATILE SRAM CONTROLL |
| DS1321S+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:NONVOLATILE CNTRLR 16SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTRLR NV W/BATT MON 5V 16SOIC 制造商:Maxim Integrated Products 功能描述:Memory Controllers Flexible NV Cntlr w/Lithium Battery |
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