參數(shù)資料
型號(hào)： DS2408S+T&R
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 35/39頁(yè)
文件大?。?/td> 0K
描述： IC SWITCH 8-CHAN ADDRESS 16SOIC
標(biāo)準(zhǔn)包裝： 2,500
接口： 1 線
輸入/輸出數(shù)： 8
中斷輸出： *
電源電壓： 2.8 V ~ 5.25 V
工作溫度： *
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 帶卷 (TR)
包括： *
DS2408
5 of 39
PARAMETER
NAME
STANDARD VALUES
DS2408 VALUES
STANDARD
SPEED
OVERDRIVE
SPEED
STANDARD
SPEED
OVERDRIVE
SPEED
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tSLOT (incl. tREC)
61s
(undef.)
7s
(undef.)
65s 1)
(undef.)
10s
(undef.)
tRSTL
480s
(undef.)
48s
80s
660s
720s
53s
80s
tPDH
15s
60s
2s
6s
15s
60s
2s
7s
tPDL
60s
240s
8s
24s
60s
280s
7s
27s
tW0L
60s
120s
6s
16s
60s
120s
8s
13s
tSLS, tSPD
15s
60s
2s
6s
15s
60s
1.8s
8s
1) Intentional change, longer recovery-time requirement due to modified 1-Wire front end.
PIN DESCRIPTION
PIN
NAME
DESCRIPTION
1
N.C.
Not Connected
2
P0
I/O Pin of Channel 0. Logic input/open-drain output with 100 maximum
on-resistance; 0V to 5.25V operating range. Power-on default is
indeterminate. If it is application-critical for the outputs to power up in the
"off" state, the user should attach an appropriate power-on-reset circuit or
supervisor IC to the RSTZ pin.
3
VCC
Optional Power Supply Input. Range 2.8V to 5.25V; must be tied to GND
if not used.
4
I/O
1-Wire Interface. Open-drain, requires external pullup resistor.
5
GND
Ground
6
N.C.
Not Connected
7
P7
I/O Pin of Channel 7. Same characteristics as P0.
8
P6
I/O Pin of Channel 6. Same characteristics as P0.
9
P5
I/O Pin of Channel 5. Same characteristics as P0.
10
RSTZ
SW configurable PIO reset input ( RST ) or open-drain strobe output
( STRB). When configured as RST , a LOW input sets all PIO outputs to
the "off" state by setting all bits in the PIO Output Latch State Register.
When configured as STRB, an output strobe will occur after a PIO write
(see Channel-Access Write command) or after a PIO Read (see Channel-
Access Read command). The power-on default function of this pin is
RST
.
11
P4
I/O pin of channel 4; same characteristics as P0
12
P3
I/O pin of channel 3; same characteristics as P0
13
P2
I/O pin of channel 2; same characteristics as P0
14
P1
I/O pin of channel 1; same characteristics as P0
15
N.C.
Not connected
16
N.C.
Not connected
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