Detailed Specifications
2- 24
R e visio n 3
A1415A, A14V15A Timing Characteristics (continued)
Table 2-20 A1415A, A14V15A Worst-Case Commercial Conditions, VCC = 4.75 V, TJ = 70°C
I/O Module – TTL Output Timing1
–3 Speed2 –2 Speed2 –1 Speed Std. Speed 3.3 V Speed1 Units
Parameter/Description
Min. Max. Min. Max. Min. Max. Min. Max.
Min.
Max.
tDHS
Data to Pad, High Slew
5.0
5.6
6.4
7.5
9.8
ns
tDLS
Data to Pad, Low Slew
8.0
9.0
10.2
12.0
15.6
ns
tENZHS Enable to Pad, Z to H/L, High Slew
4.0
4.5
5.1
6.0
7.8
ns
tENZLS Enable to Pad, Z to H/L, Low Slew
7.4
8.3
9.4
11.0
14.3
ns
tENHSZ Enable to Pad, H/L to Z, High Slew
6.5
7.5
8.5
10.0
13.0
ns
tENLSZ Enable to Pad, H/L to Z, Low Slew
6.5
7.5
8.5
10.0
13.0
ns
tCKHS
IOCLK Pad to Pad H/L, High Slew
7.5
9.0
10.0
13.0
ns
tCKLS
IOCLK Pad to Pad H/L, Low Slew
11.3
13.5
15.0
19.5
ns
dTLHHS Delta Low to High, High Slew
0.02
0.03
0.04
ns/pF
dTLHLS Delta Low to High, Low Slew
0.05
0.06
0.07
0.09
ns/pF
dTHLHS Delta High to Low, High Slew
0.04
0.05
0.07
ns/pF
dTHLLS Delta High to Low, Low Slew
0.05
0.06
0.07
0.09
ns/pF
I/O Module – CMOS Output Timing1
tDHS
Data to Pad, High Slew
6.2
7.0
7.9
9.3
12.1
ns
tDLS
Data to Pad, Low Slew
11.7
13.1
14.9
17.5
22.8
ns
tENZHS Enable to Pad, Z to H/L, High Slew
5.2
5.9
6.6
7.8
10.1
ns
tENZLS Enable to Pad, Z to H/L, Low Slew
8.9
10.0
11.3
13.3
17.3
ns
tENHSZ Enable to Pad, H/L to Z, High Slew
6.7
7.5
8.5
10.0
13.0
ns
tENLSZ Enable to Pad, H/L to Z, Low Slew
6.7
7.5
9.0
10.0
13.0
ns
tCKHS
IOCLK Pad to Pad H/L, High Slew
8.9
10.7
11.8
15.3
ns
tCKLS
IOCLK Pad to Pad H/L, Low Slew
13.0
15.6
17.3
22.5
ns
dTLHHS Delta Low to High, High Slew
0.04
0.05
0.06
0.08
ns/pF
dTLHLS Delta Low to High, Low Slew
0.07
0.08
0.09
0.11
0.14
ns/pF
dTHLHS Delta High to Low, High Slew
0.03
0.04
0.05
ns/pF
dTHLLS Delta High to Low, Low Slew
0.04
0.05
0.07
ns/pF
Notes:
1. Delays based on 35 pF loading.
2. The –2 and –3 speed grades have been discontinued. Please refer to the Product Discontinuation Notices (PDNs) listed
below: