74AHC245 Philips Semiconductors, 74AHC245 Datasheet - Page 8

• Manufacturer Part Number: 74AHC245
• Description: Octal bus transceiver; 3-state
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
Type 74AHC245
GND = 0 V; t
1999 Sep 28
SYMBOL
V
t
t
t
t
t
t
PHL
PZL
PLZ
PHL
PZL
PLZ
CC
Octal bus transceiver; 3-state
/t
/t
/t
/t
/t
/t
= 3.0 to 3.6 V; note 1
PZH
PHZ
PZH
PHZ
PLH
PLH
propagation delay
A
propagation delay
OE to A
OE to B
name DIR
propagation delay
OE to A
OE to B
name DIR
propagation delay
A
propagation delay
OE to A
OE to B
name DIR
propagation delay
OE to A
OE to B
name DIR
r
n
n
= t
PARAMETER
to B
to B
f
n
n
3.0 ns.
n
n
n
n
n
n
n
n
; B
; B
;
; signal
;
; signal
;
; signal
;
; signal
n
n
to A
to A
n
n
see Figs 4 and 6 15 pF
see Figs 5 and 6
see Figs 4 and 6 50 pF
see Figs 5 and 6
WAVEFORMS
TEST CONDITIONS
C
L
8
MIN.
5.0
6.5
7.5
6.5
9.0
10.0
TYP.
25
MAX. MIN.
8.4
13.2
12.5
11.9
16.7
15.8
74AHC245; 74AHCT245
T
amb
1.0
1.0
1.0
1.0
1.0
1.0
40 to +85
( C)
10.0
15.5
15.5
13.5
19.0
18.0
MAX.
1.0
1.0
1.0
1.0
1.0
1.0
MIN.
Product specification
40 to +125
10.5
16.5
16.0
15.0
21.0
20.0
MAX.
ns
ns
ns
ns
ns
ns
UNIT