參數(shù)資料
型號(hào)： SMS45
廠商： Summit Microelectronics, Inc.
英文描述： Quad Programmable Precision Cascade Sequencer and Supervisory Controller with 4k-Bit Nonvolatile Memory
中文描述： 四可編程精密級(jí)聯(lián)序列和監(jiān)督控制器4K的位的非易失性內(nèi)存
文件頁(yè)數(shù)： 7/20頁(yè)
文件大小： 993K
代理商： SMS45
7
2079 1.2 05/24/04
SMS45
SUMMIT MICROELECTRONICS, Inc.
Preliminary Information
A1,A2 (6, 7)
A1 and A2 are the address inputs. When addressing the
SMS45 memory or configuration registers the address
inputs distinguish which one of four possible devices
sharing the common bus is being addressed.
SDA (9)
SDA is the serial data input/output pin. It should be tied to
VDD_CAP through a pull-up resistor.
SCL (10)
SCL is the serial clock input. It should be tied to VDD_CAP
through a pull-up resistor.
PUP#1, PUP#2, PUP#3 (4, 5, 13)
These are the power-up permitted (PUP) active low open
drain outputs. The PUP pins are used when the SMS45 is
programmed to provide the cascade sequencing of LDOs
or DC/DC converters (
see Figures 1 and 5 for illustra-
tions of cascading
). Each delay is independently enabled
and programmable for its duration (
configuration register
7
). If all PUP# outputs are enabled the order of events
would be as follows: V
0
above threshold then delay to
PUP#1 turning on; V
1
above threshold then delay to PUP#2
turning on; V
2
above threshold then delay to PUP#3 turning
on. The delays are programmable.
PIN DESCRIPTIONS (CONTINUED)
相關(guān)PDF資料
PDF描述
SMS45GCR00 Quad Programmable Precision Cascade Sequencer and Supervisory Controller with 4k-Bit Nonvolatile Memory
SMS45GCR01 Quad Programmable Precision Cascade Sequencer and Supervisory Controller with 4k-Bit Nonvolatile Memory
SMS45GCR02 Quad Programmable Precision Cascade Sequencer and Supervisory Controller with 4k-Bit Nonvolatile Memory
SMS45GCR03 Quad Programmable Precision Cascade Sequencer and Supervisory Controller with 4k-Bit Nonvolatile Memory
SMS45GCR04 Quad Programmable Precision Cascade Sequencer and Supervisory Controller with 4k-Bit Nonvolatile Memory
相關(guān)代理商/技術(shù)參數(shù)
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SMS-450-BLK-1220MM 制造商:3M Electronic Products Division 功能描述:80610692404 4FT STKS
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SMS-452C 功能描述:1.034X1.034X0.07-NON-VENTED SURF 制造商:leader tech inc. 系列:- 包裝:散裝 零件狀態(tài):在售 類型:蓋 高度 - 總:0.060"（1.52mm） 長(zhǎng)度 - 總:1.058"（26.87mm） 寬度 - 總:1.058"（26.87mm） 通風(fēng):非通風(fēng) 安裝類型:表面貼裝 標(biāo)準(zhǔn)包裝:300
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