Datasheet

SN54ABT534, SN74ABT534A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCBS187F – JANUARY 1991 – REVISED JANUARY 1997
3
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ABT534 SN74ABT534A
UNIT
MAX MIN MAX
UNIT
V
CC
Supply voltage 4.5 5.5 4.5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
V
I
Input voltage 0 V
CC
0 V
CC
V
I
OH
High-level output current –24 –32 mA
I
OL
Low-level output current 48 64 mA
t/v Input transition rise or fall rate Outputs enabled 5 5 ns/V
T
A
Operating free-air temperature –55 125 –40 85 °C
NOTE 3: Unused inputs must be held high or low to prevent them from floating.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
T
A
= 25°C SN54ABT534 SN74ABT534A
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
MAX MIN MAX MIN MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.2 –1.2 –1.2 V
V
CC
= 4.5 V, I
OH
= –3 mA
2.5 2.5 2.5
V
OH
V
CC
= 5 V, I
OH
= –3 mA
3 3 3
V
V
OH
V
CC
=45V
I
OH
= –24 mA
2 2
V
V
CC
=
4
.
5
V
I
OH
= –32 mA
2* 2
V
OL
V
CC
=45V
I
OL
= 48 mA
0.55 0.55
V
V
OL
V
CC
=
4
.
5
V
I
OL
= 64 mA
0.55* 0.55
V
V
hys
100 mV
I
I
V
CC
= 5.5 V, V
I
= V
CC
or GND ±1 ±1 ±1 µA
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 10
10
10
µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.5 V –10
–10
–10
µA
I
off
V
CC
= 0, V
I
or V
O
4.5 V ±100 ±100 µA
I
CEX
V
CC
= 5.5 V, V
O
= 5.5 V Outputs high 50 50 50 µA
I
O
§
V
CC
= 5.5 V, V
O
= 2.5 V –50 –100 –180
–50 –180
–50 –180
mA
V55VI0
Outputs high
1 250 250 250
µA
I
CC
V
CC
= 5.5 V, I
O
= 0,
V
I
=V
CC
or GND
Outputs low
24 30 30 30
mA
V
I
=
V
CC
or
GND
Outputs disabled
0.5 250 250 250
µA
I
CC
V
CC
= 5.5 V, One input at 3.4 V,
Other inputs at V
CC
or GND
1.5 1.5 1.5 mA
C
i
V
I
= 2.5 V or 0.5 V 3.5 pF
C
o
V
O
= 2.5 V or 0.5 V 6.5 pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at V
CC
= 5 V.
This data sheet limit may vary among suppliers.
§
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than V
CC
or GND.