MN54AC244-X Datasheet, PDF (6/10 Pages) National Semiconductor (TI) – Octal Buffers/Line Drivers With 3-State Outputs

MN54AC244-X REV 1B1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
AC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC: CL=50pf, RL=500 ohms, TR=3ns, TF=3ns, Temp. Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 11
IS GUARANTEED BUT NOT TESTED.
SYMBOL
tpZH (1)
PARAMETER
Output Enable
Time
VCC=4.5V
CONDITIONS
tpZL (1)
Output Enable
Time
VCC=4.5V
tpHZ (1)
Output Disable
Time
VCC=4.5V
tpLZ (1)
Output Disable
Time
VCC=4.5V
tpLH (2) Propagation Delay VCC=3.0V
tpHL (2) Propagation Delay VCC=3.0V
tpZH (2)
Output Enable
Time
VCC=3.0V
tpZL (2)
Output Enable
Time
VCC=3.0V
tpHZ (2)
Output Disable
Time
VCC=3.0V
tpLZ (2)
Output Disable
Time
VCC=3.0V
NOTES
PIN-
NAME
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, OE to
4, 6 ON
3, 4 IN to
ON
3, 4 IN to
ON
3, 4 IN to
ON
3, 4 IN to
ON
3, 4 OE to
ON
3, 4 OE to
ON
3, 4 OE to
ON
3, 4 OE to
ON
3, 4 OE to
ON
3, 4 OE to
ON
3, 4 OE to
ON
3, 4 OE to
ON
MIN
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
MAX
7.5
UNIT
ns
SUB-
GROUPS
9
9.0
ns 10, 11
8.5
ns 9
10.5 ns 10, 11
8.5
ns 9
10.5 ns 10, 11
9.0
ns 9
11.0 ns 10, 11
11.0 ns 9
12.5 ns 10, 11
10.5 ns 9
12.0 ns 10, 11
9.5
ns 9
11.5 ns 10, 11
11.0 ns 9
13.0 ns 10, 11
10.0 ns 9
12.5 ns 10, 11
11.0 ns 9
13.0 ns 10, 11
6