MIC2551A
Micrel, Inc.
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
BUS
) ................................................. 6.5V
All Other Inputs ............................................. –0.5V to 5.5V
Ambient Storage Temperature ................. –65°C to +150°C
Output Current (D+, D–) ..........................................
±
50mA
Output Current (all others) .......................................
±15mA
Input Current ............................................................
±50mA
ESD,
Note 3
V
BUS
, D+, D– ........................................................
±11KV
All other pins ..........................................................
±2KV
Operating Ratings
(Note 2)
Supply Voltage (V
BUS
) ................................. 4.0V to 5.25V
Ambient Operating Temperature ................ –40°C to +85°C
Package Thermal Resistance
TSSOP (θ
JA
) .................................................. 100(°C/W)
MLF
®
(θ
JA
) ....................................................... 59(°C/W)
DC Electrical Characteristics (System and USB Interface)
(Note 7)
V
IF
= 3.6V, V
BUS
= 5V unless otherwise noted; T
A
= 25°C.
Bold
indicates specifications over temperature, –40°C to 85°C.
Symbol
V
BUS
V
IF
V
IL
V
IH
V
OH
V
OL
I
IL
Symbol
Parameter
USB Supply Voltage
System I/F Supply Voltage
LOW-Level Input Voltage,
Note 4
HIGH-Level Input Voltage,
Note 4
HIGH-Level Output Voltage,
Note 4
LOW-Level Output Voltage,
Note 4
Input Leakage Current,
Note 4
Parameter
SPD
1
1
0
I
IF
VIF Supply Current
0
0
1
SUS
0
0
0
0
1
0
OE#
1
0
1
0
0
0
VBUS = 5.25V
VIF = 3.6V
f = 6MHz CLOAD
= 50 pF,
Note 7
f = 750kHz
CLOAD = 600 pF
Note 7
Conditions
Voltage
Load
1
1
1
1
1
325
5
5
5
5
5
650
µA
µA
µA
µA
µA
µA
I
OH
= 20µA
I
OL
= 20µA
–5
Min
Typ
Conditions
Min
4.0
1.6
V
IF
–0.3
0.85V
IF
0.9V
IF
0.1
5
Max
Typ
Max
5.25
3.6
0.15V
IF
V
IF
+0.3
Units
V
V
V
V
V
V
µA
Units
0
1
1
0
0
I
VBUS
VBUS Supply Current
0
1
0
0
0
0
0
1
0
0
1
0
1
0
0
0
VBUS = 5.25V
VIF = 3.6V
40
800
3000
230
400
130
75
1100
5000
350
700
200
10
µA
µA
µA
µA
µA
µA
mA
f = 6MHz CLOAD
= 50 pF,
Note 7
f = 750kHz
CLOAD = 600 pF
Note 7
–5
–5
3.0
7.3
0
I
VPULEAK
I
VIFLEAK
V
PU
R
SW
VPU Leakage Current
VIF Leakage Current
Pull-Up Output Voltage
Internal Pull-Up Termination
0
0
CON = 1, V
PU
= 0V
V
IF
= 3.6V, V
BUS
= 0V
3.6
5
5
5
mA
µA
µA
V
Ω
kV
kV
I
TERM
= 200µA, V
BUS
= 4.0 to 5.25V
I
TERM
= 10mA, V
BUS
= 4.0 to 5.25V
10 pulses
10 pulses
3.3
10
3.6
ESD Protection
IEC-1000-4-2 Air Discharge
(D+, D–,
V
BUS
only)
M9999-112008
±8
±9
Contact Discharge
4
November 2008
MICREL [ MICREL SEMICONDUCTOR ]
