Datasheet

CD54ACT112, CD74ACT112
DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCHS323 – JANUARY 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS V
CC
T
A
= 25°C
–55°C to
125°C
–40°C to
85°C
UNIT
CC
MIN MAX MIN MAX MIN MAX
I
OH
= –50 µA 4.5 V 4.4 4.4 4.4
V
OH
V
I
=V
IH
or V
IL
I
OH
= –24 mA 4.5 V 3.94 3.7 3.8
V
V
OH
V
I
=
V
IH
or
V
IL
I
OH
= –50 mA
†
5.5 V 3.85
V
I
OH
= –75 mA
†
5.5 V 3.85
I
OL
= 50 µA 4.5 V 0.1 0.1 0.1
V
OL
V
I
=V
IH
or V
IL
I
OL
= 24 mA 4.5 V 0.36 0.5 0.44
V
V
OL
V
I
=
V
IH
or
V
IL
I
OL
= 50 mA
†
5.5 V 1.65
V
I
OL
= 75 mA
†
5.5 V 1.65
I
I
V
I
= V
CC
or GND 5.5 V ±0.1 ±1 ±1 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 4 80 40 µA
I
CC
V
I
= V
CC
–2.1 V
4.5 V to
5.5 V
2.4 3 2.8 mA
C
i
10 10 10 pF
†
Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize
power dissipation. Test verifies a minimum 50-Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C.
ACT INPUT LOAD TABLE
INPUT
UNIT LOAD
J or CLK 1
K 0.53
CLR or PRE 0.58
Unit Load is ∆I
CC
limit specified in
electrical characteristics table
(e.g., 2.4 mA at 25°C).
timing requirements over recommended operating conditions (unless otherwise noted)
–55°C to
125°C
–40°C to
85°C
UNIT
MIN MAX MIN MAX
f
clock
Clock frequency 100 114 MHz
t
Pulse duration
CLK high or low 5 4.4
ns
t
w
Pulse
duration
CLR or PRE low 5.5 4.8
ns
t
su
Setup time, before CLK↓ J or K 4 3.5 ns
t
h
Hold time, after CLK↓ J or K 1 1 ns
t
rec
Recovery time, before CLK↓ CLR↑ or PRE↑ 2.5 2.2 ns