SE98TK-T NXP Semiconductors, SE98TK-T Datasheet - Page 29

• Manufacturer Part Number: SE98TK-T
• Description: Board Mount Temperature Sensors I2C LOCAL +/- 2OC TS DIMM
• Manufacturer: NXP Semiconductors

Specifications of SE98TK-T

• Temperature Threshold: + 6 C
• Full Temp Accuracy: +/- 4 C
• Package / Case: SOT-908
• Digital Output - Bus Interface: 2-Wire, I2C
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 20 C
• Output Type: Digital
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: SE98TK,118

NXP Semiconductors
Table 27.
V
The AC specifications fully meet or exceed SMBus 2.0 specifications, but allow the bus to interface with the I
to 400 kHz.
[1]
[2]
[3]
[4]
SE98_4
Product data sheet
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
SCL
LOW
HIGH
BUF
HD;STA
HD;DAT
SU;DAT
SU;STA
SU;STO
r
f
f(o)
to(SMBus)
DD
Fig 19. AC timing diagram
= 3.0 V to 3.6 V; T
Delay from SDA START to first SCL HIGH-to-LOW transition.
Delay from SCL HIGH-to-LOW transition to SDA edges.
Delay from SCL LOW-to-HIGH transition to restart SDA.
LOW period to reset SMBus.
SDA
SCL
SMBus AC characteristics
Parameter
SCL clock frequency
LOW period of the SCL clock
HIGH period of the SCL clock
bus free time between a STOP and
START condition
hold time (repeated) START condition
data hold time
data set-up time
set-up time for a repeated START
condition
set-up time for STOP condition
rise time of both SDA and SCL signals
fall time of both SDA and SCL signals
output fall time
SMBus time-out time
P
t
BUF
amb
S
= 40 C to +120 C; unless otherwise specified. These specifications are guaranteed by design.
t
HD;STA
t
LOW
t
HD;DAT
t
r
Rev. 04 — 2 February 2009
Conditions
10 % to 10 %
90 % to 90 %
10 % of SDA to
90 % of SCL
t
SU;DAT
t
HIGH
t
f
t
SU;STA
DDR memory module temp sensor, 3.3 V
S
[1]
[2]
[3]
[4]
Min
0
1.3
0.6
4.7
4.7
300
250
250
0.6
-
-
-
25
t
HD;STA
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
t
SU;STO
© NXP B.V. 2009. All rights reserved.
Max
400
-
-
-
-
-
-
-
-
300
300
250
35
2
002aab235
C-bus from DC
SE98
P
Unit
kHz
ns
ns
ns
ns
ns
ns
ms
29 of 39
s
s
s
s
s