Detailed Specifications
A1460A, A14V60A Timing Characteristics (continued)
Table 2-32 • A1460A, A14V60A 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
tDLS Data to Pad, Low Slew
tENZHS Enable to Pad, Z to H/L, High Slew
tENZLS Enable to Pad, Z to H/L, Low Slew
tENHSZ Enable to Pad, H/L to Z, High Slew
tENLSZ Enable to Pad, H/L to Z, Low Slew
tCKHS IOCLK Pad to Pad H/L, High Slew
tCKLS IOCLK Pad to Pad H/L, Low Slew
dTLHHS Delta Low to High, High Slew
dTLHLS Delta Low to High, Low Slew
dTHLHS Delta High to Low, High Slew
dTHLLS Delta High to Low, Low Slew
I/O Module – CMOS Output Timing1
5.0
5.6
6.4
7.5
8.0
9.0
10.2
12.0
4.0
4.5
5.1
6.0
7.4
8.3
9.4
11.0
7.8
8.7
9.9
11.6
7.4
8.3
9.4
11.0
9.0
9.0
10.0
11.5
12.8
12.8
15.3
17.0
0.02
0.02
0.03
0.03
0.05
0.05
0.06
0.07
0.04
0.04
0.04
0.05
0.05
0.05
0.06
0.07
9.8 ns
15.6 ns
7.8 ns
14.3 ns
15.1 ns
14.3 ns
15.0 ns
22.1 ns
0.04 ns/pF
0.09 ns/pF
0.07 ns/pF
0.09 ns/pF
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
7.4
8.3
9.4
11.0
14.3 ns
tENLSZ Enable to Pad, H/L to Z, Low Slew
7.4
8.3
9.4
11.0
14.3 ns
tCKHS IOCLK Pad to Pad H/L, High Slew
10.4
10.4
12.1
13.8
17.9 ns
tCKLS IOCLK Pad to Pad H/L, Low Slew
14.5
14.5
17.4
19.3
25.1 ns
dTLHHS Delta Low to High, High Slew
0.04
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
0.03
0.03
0.04
0.05 ns/pF
dTHLLS Delta High to Low, Low Slew
0.04
0.04
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. Refer to PDN 0104, PDN 0203, PDN 0604, and PDN 1004 at
http://www.microsemi.com/soc/support/notifications/default.aspx#pdn.
2-36
Revision 3