SPEAR300-2 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
SPEAR300-2
STMicroelectronics
'SPEAR300-2' PDF : 83 Pages View PDF
Electrical characteristics
SPEAr300
5.5
3.3V I/O characteristics
The 3.3 V I/Os are compliant with JEDEC standard JESD8b
Table 19. Low voltage TTL DC input specification (3 V< VDD <3.6 V)
Symbol
Parameter
Min
Max
Unit
VIL
VIH
Vhyst
Low level input voltage
High level input voltage
Schmitt trigger hysteresis
0.8
V
2
V
300
800
mV
Table 20. Low voltage TTL DC output specification (3 V< VDD <3.6 V)
Symbol
Parameter
Test condition
Min
Max
VOL
Low level output voltage
IOL= X mA (1)
0.3
VOH
High level output voltage
IOH= -X mA (1) VDD - 0.3
1. For the max current value (X mA) refer to Section 2.29: 8-channel ADC.
Unit
V
V
Table 21. Pull-up and pull-down characteristics
Symbol
Parameter
Test condition
Min
Max
Unit
RPU
Equivalent pull-up resistance
VI = 0 V
29
67
k
RPD
Equivalent pull-down
resistance
VI = VDDE3V3
29
103
k
5.6
LPDDR and DDR2 pin characteristics
Table 22. DC characteristics
Symbol
Parameter
Test condition
Min
Max
Unit
VIL
Low level input voltage
VIH High level input voltage
Vhyst Input voltage hysteresis
SSTL2
SSTL18
SSTL2
SSTL18
-0.3
VREF-0.15
V
-0.3
VREF-0.125
V
VREF+0.15 VDDE2V5+0.3
V
VREF+0.125 VDDE1V8+0.3
V
200
mV
Table 23. Driver characteristics
Symbol
Parameter
Output impedance (strong value)
RO
Output impedance (weak value)
Min Typ Max Unit
40.5 45 49.5
44.1 49 53.9
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Doc ID 16324 Rev 2
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