tSU:DAT Input Data Setup Time" />
參數(shù)資料
型號: X95820UV14I-2.7T1
廠商: Intersil
文件頁數(shù): 8/12頁
文件大?。?/td> 0K
描述: IC XDCP DUAL 256TAP 50K 14-TSSOP
標準包裝: 2,500
系列: XDCP™
接片: 256
電阻(歐姆): 50k
電路數(shù): 2
溫度系數(shù): 標準值 ±45 ppm/°C
存儲器類型: 非易失
接口: I²C(設(shè)備位址)
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: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 帶卷 (TR)
5
FN8212.2
July 18, 2006
SDA vs. SCL Timing
WP, A0, A1, and A2 Pin Timing
tSU:DAT
Input Data Setup Time
From SDA exiting the 30% to 70% of VCC
window, to SCL rising edge crossing 30% of VCC
100
ns
tHD:DAT
Input Data Hold Time
From SCL rising edge crossing 70% of VCC to SDA
entering the 30% to 70% of VCC window.
0ns
tSU:STO
STOP Condition Setup Time
From SCL rising edge crossing 70% of VCC, to SDA
rising edge crossing 30% of VCC.
600
ns
tHD:STO
STOP Condition Setup Time
From SDA rising edge to SCL falling edge. Both
crossing 70% of VCC.
600
ns
tDH (Note 15) Output Data Hold Time
From SCL falling edge crossing 30% of VCC, until
SDA enters the 30% to 70% of VCC window.
0ns
tR (Note 15)
SDA and SCL Rise Time
From 30% to 70% of VCC
20 +
0.1 * Cb
250
ns
tF (Note 15)
SDA and SCL Fall Time
From 70% to 30% of VCC
20 +
0.1 * Cb
250
ns
Cb (Note 15)
Capacitive Loading of SDA
or SCL
Total on-chip and off-chip
10
400
pF
Rpu (Note 15) SDA and SCL Bus Pull-up
resIstor Off-chip
Maximum is determined by tR and tF.
For Cb = 400pF, max is about 2~2.5k
Ω.
For Cb = 40pF, max is about 15~20k
Ω.
1k
Ω
tWP
(Notes 15, 16)
Non-volatile Write Cycle
Time
12
20
ms
tSU:WPA
A2, A1, A0, and WP Setup
Time
Before START condition
600
ns
tHD:WPA
A2, A1, A0, and WP Hold
Time
After STOP condition
600
ns
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 1)
MAX
UNITS
tSU:STO
tDH
tHIGH
tSU:STA
tHD:STA
tHD:DAT
tSU:DAT
SCL
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
tF
tLOW
tBUF
tAA
tR
tHD:WPA
SCL
SDA IN
WP, A0, A1, or A2
tSU:WPA
Clk 1
START
STOP
X95820
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