 English |
|
|
|
|
|
|
|
| PCA9564PW-T Datasheet, PDF (26/32 Pages) NXP Semiconductors – Parallel bus to I2C-bus controller | |||
| |||
| ◁ |
Philips Semiconductors
Parallel bus to I2C-bus controller
Product data sheet
PCA9564
VI
RD, CE INPUT
GND
VCC
Dn OUTPUT
LOW-TO-FLOAT
FLOAT-TO-LOW
VOL
VM
tDF(LZ)
VX
VM
tDD(ZL)
VM
VOH
Dn OUTPUT
HIGH-TO-FLOAT
FLOAT-TO-HIGH
tDF(HZ)
VY
tDD(ZH)
GND
OUTPUTS ENABLED
OUTPUTS
FLOATING
VM = 1.5 V
VX = VOL + 0.3 V
VY = VOH â 0.3 V
VOL AND VOH ARE TYPICAL OUTPUT VOLTAGE DROPS THAT OCCUR WITH THE OUTPUT LOAD.
VM
OUTPUTS ENABLED
Figure 21. tDD and tDF times
SW02113
PULSE
GENERATOR
VCC
VI
RT
D.U.T.
VO
CL
50 pF
6.0 V
Open
RL = 500 â¦
RL = 500 â¦
TEST
tPLZ/tPZL
tPLH/tPHL
S1
6V
Open
DEFINITIONS
RL = Load resistor.
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to the output
impedance ZO of the pulse generators.
Figure 22. Test circuitry for switching times
SW02114
2006 Sep 01
26
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese