74HC125 Philips, 74HC125 Datasheet - Page 5

• Manufacturer Part Number: 74HC125
• Description: Quad buffer/line driver 3-state
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: bus driver
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
CC
INPUT
nA, nOE
SYMBOL
t
t
t
t
PHL
PZH
PHZ
THL
Quad buffer/line driver; 3-state
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PZL
PLZ
propagation delay
3-state output enable time
3-state output disable time
output transition time
r
= t
nA to nY
nOE to nY
nOE to nY
CC
f
= 6 ns; C
PARAMETER
per input, multiply this value by the unit load coefficient shown in the table below.
UNIT LOAD COEFFICIENT
1.00
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ. max. min. max. min.
15
15
15
5
+25
CC
25
28
25
12
) for a unit load of 1 is given in the family specifications.
5
T
74HCT
amb
40 to +85
( C)
31
35
31
15
40 to +125
38
42
38
18
max.
.
ns
ns
ns
ns
UNIT
74HC/HCT125
4.5
4.5
4.5
4.5
V
TEST CONDITIONS
(V)
Product specification
CC
Fig.6
Fig.7
Fig.7
Fig.6
WAVEFORMS