CY8C54 CYPRESS [Cypress Semiconductor], CY8C54 Datasheet - Page 64

• Manufacturer Part Number: CY8C54
• Description: Programmable System-on-Chip (PSoC)
• Manufacturer: CYPRESS [Cypress Semiconductor]

Table 11-12. USBIO DC Specifications
Document Number: 001-55036 Rev. *A
Rusbi
Rusba
Vohusb
Volusb
Vohgpio
Volgpio
Vdi
Vcm
Vse
Rps2
Rext
Zo
Cin
Iil
Parameter
USB D+ pull up resistance
USB D+ pull up resistance
Static output high
Static output low
Output voltage high, GPIO mode
Output voltage low, GPIO mode
Differential input sensitivity
Differential input common mode
range
Single ended receiver threshold
PS/2 pull up resistance
External USB series resistor
USB driver output impedance
USB transceiver input capacitance
Input leakage current (absolute
value)
Description
PRELIMINARY
With idle bus
While receiving traffic
15 k Ω ±5% to Vss, internal pull up
enabled
15 k Ω ±5% to Vss, internal pull up
enabled
Ioh = 4 mA, Vddio ≥ 3V
Iol = 4 mA, Vddio ≥ 3V
|(D+)-(D-)|
In PS/2 mode, with PS/2 pull up
enabled
In series with each USB pin
Including Rext
25°C, Vddio = 3.0V
Conditions
PSoC
®
5: CY8C54 Family Data Sheet
0.900
1.425
21.78
(-1%)
Min
2.8
2.4
0.8
0.8
28
3
-
-
-
-
-
Typ
22
-
-
-
-
-
-
-
-
-
-
-
-
-
(+1%)
1.575
3.090
22.22
Max
3.6
0.3
0.3
0.2
2.5
44
20
2
7
2
-
Page 64 of 93
Units
k Ω
k Ω
nA
pF
k Ω
V
V
V
V
V
V
V
Ω
Ω
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