I2C and JTAG Nonvolatile 9-Bit I/O Expander Plus Memory _________________" />
參數(shù)資料
型號(hào): DS4550E+T&R
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 14/18頁(yè)
文件大小: 0K
描述: IC I/O EXPANDER I2C 9B 20TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
接口: I²C,JTAG
輸入/輸出數(shù): 9
中斷輸出: 無(wú)
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
包括: EEPROM
DS4550
I2C and JTAG Nonvolatile 9-Bit I/O
Expander Plus Memory
_____________________________________________________________________
5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS4550
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
5
4.5
4
3.5
3
0.5
1
1.5
2
0
2.5
5.5
I/O0-I/O7 CONTROL BITS = 0
I/O0-I/O7 PULLUPS DISABLED
VCC = SDA = SCL = TCK
SUPPLY CURRENT
vs. TEMPERATURE
DS4550
toc02
TEMPERATURE (°C)
SUPPLY
CURRENT
(
A)
80
60
40
20
0
-20
0.5
1
1.5
2
2.5
0
-40
VCC = SDA = SCL = 5.5V = TCK
VCC = SDA = SCL = 2.7V = TCK
I/O0-I/O7 CONTROL BITS = 0
I/O0-I/O7 PULLUPS DISABLED
SUPPLY CURRENT
vs. SCL FREQUENCY
DS4550
toc03
SCL FREQUENCY (kHz)
SUPPLY
CURRENT
(
A)
300
200
100
2
4
6
8
10
12
14
16
18
20
0
0400
VCC = SDA = TCK = 5.0V
VCC = SDA = TCK = 2.7V
SUPPLY CURRENT
vs. TCK FREQUENCY
DS4550
toc04
TCK FREQUENCY (kHz)
SUPPLY
CURRENT
(
A)
1750
1500
1250
1000
750
500
250
5
10
15
20
25
0
02000
VCC = 5.0V
VCC = 2.7V
SDA = SCL = VCC
I/O OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
DS4550
toc05
SUPPLY VOLTAGE (V)
I/O
OUTPUT
VOLTAGE
(V)
5
4
3
2
1
2
3
4
5
0
PULL-UPS ENABLED
PULL-DOWNS DISABLED
HIGH IMPEDANCE
EEPROM RECALL AT VPOR
Typical Operating Characteristics
(VCC = +5.0V, TA = +25°C; TDI, TDO, TMS pins are no connects, unless otherwise noted.)
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