參數(shù)資料
型號(hào)： PTPS659104A1RSLR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù)： 67/89頁
文件大?。?/td> 941K
代理商： PTPS659104A1RSLR
PRODUCTPREVIEW
www.ti.com
SWCS046C – MARCH 2010 – REVISED JUNE 2010
I/O PULLUP AND PULLDOWN CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SDA_SDI, SCL_SCK, SDASR_EN2,
Connected to VDDIO
1.2
k
Ω
SCLSR_EN1 external pullup resistor
SDA_SDI, SCL_SCK, SDASR_EN2,
SCLSR_EN1 Programmable pullup (DFT, default
Grounded, VDDIO = 1.8 V
–45%
8
+45%
k
Ω
inactive)
SLEEP, PWRHOLD, programmable pulldown
@ 1.8 V, VRTC = 1.8 V
2
4.5
10
A
(default active)
BOOT0, BOOT1 programmable pulldown (default
@ 1.8 V, VRTC = 1.8 V
2
4.5
10
A
active)
NRESPWRON pulldown
@ 1.8 V, VCC7 = 5.5 V, OFF state
2
4.5
10
A
32KCLKOUT pulldown (disabled in Active-sleep
@ 1.8 V, VRTC = 1.8 V, OFF state
2
4.5
10
A
state)
PWRON programmable pullup (default active)
Grounded, VCC7 = 5.5 V
–40
–31
–15
A
GPIO_CKSYNC programmable pullup (default
Grounded, VRTC = 1.8 V
–27
–18
–9
A
active)
(1)
The internal pullups on the CTL-I2C and SR-I2C balls are used for test purposes or when the SR-I2C interface is not used. Discrete
pullups to the VIO supply must be mounted on the board in order to use the I2C interfaces. The internal I2C pullups must not be used for
functional applications
Copyright 2010, Texas Instruments Incorporated
7
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