MACH231 AND MACH231SP (CONTINUED)
SWITCHING CHARACTERISTICS OVER OPERATING RANGES
1
-6
-7
-10
-12
-14
-15
-18
Parameter
Symbol
Parameter Description
Input Latch Gate Width LOW
Min Max Min Max Min Max Min Max Min Max Min Max Min Max Unit
2
3
4
6
6
6
7.5
ns
ns
t
WIGL
Input, I/O, or Feedback to Output Through
Transparent Input and Output Latches
11
9
12.5
9.5
16
13
17
16
19
19
20
23
24
t
PDLL
Asynchronous Reset to Registered or Latched
Output
19.5
ns
ns
ns
t
AR
Asynchronous Reset Width (Note 2)
4
4
5
5
10
12
8
14.5
10
15
10
18
12
t
ARW
Asynchronous Reset Recovery Time
(Note 2)
7.5
t
ARR
Asynchronous Preset to Registered or Latched
Output
9
9.5
13
16
19.5
20
24
ns
t
AP
Asynchronous Preset Width (Note 2)
4
4
5
5
10
12
8
14.5
10
15
10
18
12
ns
ns
ns
ns
ns
ns
ns
ns
t
APW
Asynchronous Preset Recovery Time (Note 2)
Input, I/O, or Feedback to Output Enable
Input, I/O, or Feedback to Output Disable
7.5
t
APR
9
9
9
6
0
9
9.5
9.5
10
7
10
10
10
7
12
12
10
7
15
15
10
7
15
15
10
7
18
18
10
7
t
EA
t
ER
t
Increase for Powered-down Macrocell (Note 3)
t
PD
LP
t Increase for Powered-down Macrocell (Note 3)
t
S
LPS
t
Increase for Powered-down Macrocell (Note 3)
Increase for Powered-down Macrocell (Note 3)
0
0
0
0
0
0
t
CO
LPCO
t
10
10
10
10
10
10
t
EA
LPEA
Notes:
1. See “Switching Test Circuit” in the General Information section of the Vantis 1999 Data Book.
2. These parameters are not 100% tested, but are evaluated at initial characterization and at any time the design is modified where
this parameter may be affected.
3. If a signal is powered-down, this parameter must be added to its respective high-speed parameter.
CAPACITANCE 1
Parameter Symbol
Parameter Description
Test Conditions
V = 2.0V V = 5.0V,
Typ
Unit
C
Input Capacitance
6
pF
IN
IN
CC
T = 25°C
f = 1 MHz
A
C
Output Capacitance
V
= 2.0V
8
pF
OUT
OUT
Note:
1. These parameters are not 100% tested, but are calculated at initial characterization and at any time the design is modified where
these parameters may be affected.
32
MACH 1 & 2 Families
LATTICE [ LATTICE SEMICONDUCTOR ]
