atf1508be ATMEL Corporation, atf1508be Datasheet - Page 18

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

Table 8-7.
Notes:
9. Timing Model
18
Symbol
V
V
V
V
V
V
V
V
V
OH
OL
CCIO
REF
TT
IH
IL
IH(DC)
IL(DC)
(2)
(1)
1. Peak-to-peak noise on V
2. V
ATF1508BE
TT
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
SSTL3-1 DC Voltage Specifications
of transmitting device must track V
(+t
Delay
Input
t
IN
SCH
)
Switch
Matrix
t
UIM
REF
may not exceed ±2% V
Foldback Term
Internal Output
Global Control
Enable Delay
Logic Array
t
Register
LAC
Control
Delay
Delay
Delay
Delay
Conditions
I
I
t
t
OH
OL
GLOB
t
SEXP
t
LAD
IOE
t
REF
IC
= 8 mA, V
= -8 mA, V
t
EN
of receiving devices.
CCIO
CCIO
REF
Cascade Logic
= 2.3V
, V
= 3V
Delay
t
PEXP
Fast Input
REF
Delay
t
FIN
should track the variations in V
Combinatorial
Register/
Delays
V
V
V
t
V
t
t
t
COMB
t
t
t
PRE
CLR
FSUI
REF
t
SUI
RD
FHI
REF
CCIO
HI
REF
Min
-0.3
-0.3
3.0
1.3
+ 0.18
- 0.05
+ 0.4
- 1.1
CCIO
(+SSTL2-1_OAD)
(+SSTL3-1_OAD)
Typ
3.3
1.5
1.5
Output
(+t
Delay
t
.
t
t
t
OD1
ZX1
ZX2
SSO
XZ
)
V
V
V
V
V
REF
CCIO
CCIO
REF
(+SSTL2-1_IAD)
(+SSTL3-1_IAD)
REF
(+t
Max
Delay
3.6
1.7
0.7
I/O
t
+ 0.05
- 0.18
IO
SCH
- 0.6
+ 0.3
+ 0.3
)
3663A–PLD–1/08
Units
V
V
V
V
V
V
V
V
V