Devices

Pin Placement Restrictions for Mercury Devices



Certain pads adjacent to VREF pads in EP1M120 and EP1M350 devices cannot be used as outputs. The pin combinations listed in the following tables cannot be used because their pads cannot be adjacent.

EP1M120
VREF PinAdjacent Pins That Cannot Be Outputs
VREF1 A16
B16
VREF2 AB16
AA16
VREF3 A10
B10
VREF4 AB10
AA10
VREF5 B18
E18
B19
D19
C18
VREF6 D5
E10
A6
VREF7 K22
L21
J22
K21
K20
VREF8 J6
K8
H7
J10
J8
VREF9 M22
U22
N22
N21
R21
VREF10 U3
P11
M9
P10
L8
VREF11 Y20
W20
U21
V21
V20
VREF12 R9
R11
W10
Y10
R10
EP1M350
VREF PinAdjacent Pins That Cannot Be Outputs
VREF1
VREF2 L16
VREF3 A16
B16
VREF4
VREF5 C3
C4
C5
C12
D11
VREF6 N3
T3
T4
VREF7 N21
N25
N26
N27
T28
VREF8 C23
C24
C25
D22
D24
VREF9 U3
V3
V4
W4
Y4
VREF10 P12
R11
W12
Y14
VREF11 R19
T19
T20
W19
W20
VREF12 N22
P22
P23
R22
T24
VREF13 AC5
AC6
AD5
AF3
AG3
VREF14 AF11
AF12
AG11
AG12
AH11
VREF15 AF18
AF19
AG18
AG19
AH18
VREF16 AC24
AC26
AD23
AD24
AD25


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