atf1508be ATMEL Corporation, atf1508be Datasheet - Page 17

• Manufacturer Part Number: atf1508be
• Description: High- Performance Cpld
• Manufacturer: ATMEL Corporation

Table 8-4.
Note:
Table 8-5.
Table 8-6.
Notes:
3663A–PLD–1/08
Symbol
LVCMOS 1.8V
V
V
V
V
LVCMOS 1.5V
V
V
V
V
Symbol
V
V
V
V
V
V
V
V
V
IL
IH
OL
OH
IL
IH
OL
OH
CCIO
REF
TT
IH
IL
OH
OL
IH(DC)
IL(DC)
(2)
(1)
1. 16-bit up/down counter used in each LAB.
1. Peak-to-peak noise on V
2. V
V
1.70
1.95
CCINT
TT
Parameter
Input Low-voltage
Input High-voltage
Output Low-voltage
Output High-voltage
Input Low-voltage
Input High-voltage
Output Low-voltage
Output High-voltage
Parameter
Input Source Voltage
Input Reference Voltage
Termination Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input High Voltage
Input Low Voltage
DC Characteristics (Continued)
Schmitt Trigger Input Threshold Voltage
SSTL2-1 DC Voltage Specifications
of transmitting device must track V
REF
0.68
0.81
Min
may not exceed ±2% V
Conditions
I
I
OH
OL
HD: I
LD: I
HD: I
LD: I
HD: I
LD: I
HD: I
LD: I
Condition
REF
V
= 8 mA, V
= -8 mA, V
THL
OL
OH
OL
OH
of receiving devices.
OL
OH
OL
OH
= 1 mA, V
= 1 mA, V
= 2 mA, V
= -1 mA, V
= 2 mA, V
= -1 mA, V
= -2 mA, V
= -2 mA, V
CCIO
CCIO
REF
Max
0.73
0.88
= 2.3V
, V
CCIO
CCIO
= 2.3V
CCIO
CCIO
CCIO
CCIO
CCIO
CCIO
REF
= 1.7V
= 1.4V
= 1.7V
= 1.4V
= 1.7V
= 1.4V
= 1.7V
= 1.4V
should track the variations in V
V
V
V
V
V
V
V
V
CCIO
CCIO
CCIO
CCIO
REF
REF
REF
CCIO
1.15
Min
-0.3
-0.3
Min
-0.3
-0.3
1.05
1.18
2.3
1.2
1.2
Min
- 0.45V
- 0.45V
- 0.45V
- 0.45V
+ 0.45
+ 0.15
- 0.05
- 0.6
CCIO
1.25
1.25
Typ
Typ
2.5
V
TLH
.
ATF1508BE
0.35 x V
0.35 x V
V
V
V
V
REF
CCIO
REF
REF
Max
0.45
0.45
Max
1.35
0.54
3.9
0.2
3.9
0.2
2.7
3.9
+ 0.04
- 0.15
- 0.6
+ 0.3
1.08
1.22
Max
CCIO
CCIO
Units
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
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