74F786N NXP Semiconductors, 74F786N Datasheet - Page 7

• Manufacturer Part Number: 74F786N
• Description: Asynchronous Bus Arbiter 16-Pin PDIP Tube
• Manufacturer: NXP Semiconductors

Specifications of 74F786N

• Package: 16PDIP
• Logic Family: F
• Operating Temperature: 0 to 70 °C

Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS
AC WAVEFORMS
Waveform 1. Propagation delay for AND gate to output
Waveform 2. Propagation delay for bus request or enable to
bus grant output
February 14, 1991
SYM-
BOL
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PLH
PHL
PHL
4-bit asynchronous bus arbiter
A, B, C, D
BRn, EN
YOUT
BGn
Propagation delay,
A, B, C, D to YOUT
Propagation delay,
BRn to BGn
Propagation delay,
EN to BGn
Propagation delay,
BRa to BGb
PARAMETER
V
V
M
t
PLH
M
t
PHL
V
M
V
M
V
V
M
M
CONDITION
Waveform 1
Waveform 2
Waveform 2
Waveform 2
TEST
t
PHL
t
PLH
V
V
M
M
SF00445
SF00446
MIN
2.5
2.5
5.0
4.5
3.0
2.5
5.0
T
V
amb
C
R
CC
L
L
= 50pF,
= 500
TYP
= +5.0V
4.5
4.5
7.0
6.5
5.0
4.5
7.0
= +25 C
7
1. For all waveforms, V
2. a and b represents any of the bus requests or grants. BGa
Waveform 3. Propagation delay for bus request to bus grant
output
Notes to AC waveforms
MAX
10.0
10.0
7.5
7.5
9.5
8.0
7.5
low–to–high transition and the BGb high–to–low transition occur
simultaneously.
BGa
BGb
BRa
BRb
T
V
amb
MIN
CC
2.0
2.5
4.5
4.0
2.5
2.5
4.5
C
R
= 0 C to +70 C
= +5.0V
L
L
LIMITS
= 50pF,
= 500
M
MAX
10.5
10.0
10.5
8.5
7.5
8.5
8.0
10%
= 1.5V.
V
V
M
MIN
T
CC
2.0
2.5
4.5
4.0
2.5
2.5
4.5
amb
C
R
= +5.0V
L
L
+85 C
= –40 C to
= 50pF,
= 500
t
PHL
Product specification
V
V
M
M
MAX
10.5
10.0
10.5
74F786
8.5
7.5
8.5
8.0
10%
SF00447
UNIT
ns
ns
ns
ns