Datasheet

www.ti.com
DAC7574
SLAS375–JUNE 2003
TIMING CHARACTERISTICS (continued)
V
DD
= 2.7 V to 5.5 V, R
L
= 2 kΩ to GND; all specifications -40°C to +105°C, unless otherwise specified.
SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Standard mode 20 × 0.1C
B
1000 ns
Fast mode 20 × 0.1C
B
300 ns
t
RDA
Rise time of SDA signal
High-speed mode, C
B
= 100 pF max 10 80 ns
High-speed mode, C
B
= 400 pF max 20 160 ns
Standard mode 20 × 0.1C
B
300 ns
Fast mode 20 × 0.1C
B
300 ns
t
FDA
Fall time of SDA signal
High-speed mode, C
B
= 100 pF max 10 80 ns
High-speed mode, C
B
= 400 pF max 20 160 ns
Standard mode 4.0 µs
Setup time for STOP con-
t
SU
; t
STO
Fast mode 600 ns
dition
High-speed mode 160 ns
Capacitive load for SDA and
C
B
400 pF
SCL
Fast mode 50 ns
Pulse width of spike sup-
t
SP
pressed
High-speed mode 10 ns
Standard mode
Noise margin at the HIGH
V
NH
level for each connected de- Fast mode 0.2 V
DD
V
vice (including hysteresis)
High-speed mode
Standard mode
Noise margin at the LOW
V
NL
level for each connected de- Fast mode 0.1 V
DD
V
vice (including hysteresis)
High-speed mode
5