pi4uls3v16 Pericom Semiconductor Corporation, pi4uls3v16 Datasheet - Page 3

• Manufacturer Part Number: pi4uls3v16
• Description: Level Shifter With Automatic Direction Control
• Manufacturer: Pericom Semiconductor Corporation

Pin Description
Test Mode / Output Impedance Select
Pin Name
X
X
X
X
TEST_EN
OUT_SEL
GND
V
TST
OE
SEL
A
B
TEST_EN
CCA,
X
X
X
H
H
L
L
V
07-0052
CCB
Description
3-State Output Enable Inputs (Active LOW)
Outputs Loading Selection
Side A Inputs/Outputs
Side B Inputs/Outputs
Enable Test Mode
Output impedance Selection
Ground
Power
Internal test pins. For normal usage, please tie
to ground.
Out_SEL
H
H
L
L
High output impedance 2.2KΩ
Low output impedance 300Ω
Test_MODE A → B
Test_MODE B → A
Normal Operation
Normal Operation
Condition
3
Truth Table
Notes:
1. H = HIGH Signal Level
2. Refer to Figure 1 for Output Loading Chart
x
OE
H
L
L
L
L
L = LOW Signal Level
X = Don't Care or Irrelevant
Z = High Impedance
Level Shifter with Automatic Direction Control
Inputs
2
SEL
H
H
X
L
L
(1)
1
SEL
1.2V to 3.6V, Universal Bi-directional
H
H
X
L
L
Outputs Loading
C
C
C
C
L
L
L
L
≤ 50pF
≤ 30pF
≤ 20pF
≤ 10pF
(2)
Bus A, or Bus A
PI4ULS3V16
PS8775E
Bus B data to
data to Bus B
Z (Isolation)
Operation
02/23/07