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參數(shù)資料
| 型號： | 935040280602 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 外設及接口 |
| 英文描述： | BUS ARBITER AND CONT SIG GEN, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, SOT-38-4, DIP-16 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 105K |
| 代理商： | 935040280602 |
Philips Semiconductors
Product specification
74F786
4-bit asynchronous bus arbiter
February 14, 1991
7
AC ELECTRICAL CHARACTERISTICS
LIMITS
Tamb = +25°C
Tamb = 0°C to +70°C
Tamb = –40°C to
+85
°C
SYM-
BOL
PARAMETER
TEST
VCC = +5.0V
VCC = +5.0V ± 10%
UNIT
CONDITION
CL = 50pF,
RL = 500
CL = 50pF,
RL = 500
CL = 50pF,
RL = 500
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
tPHL
Propagation delay,
A, B, C, D to YOUT
Waveform 1
2.5
4.5
7.5
2.0
2.5
8.5
7.5
2.0
2.5
8.5
7.5
ns
tPLH
tPHL
Propagation delay,
BRn to BGn
Waveform 2
5.0
4.5
7.0
6.5
10.0
9.5
4.5
4.0
10.5
10.0
4.5
4.0
10.5
10.0
ns
tPLH
tPHL
Propagation delay,
EN to BGn
Waveform 2
3.0
2.5
5.0
4.5
8.0
7.5
2.5
8.5
8.0
2.5
8.5
8.0
ns
tPHL
Propagation delay,
BRa to BGb
Waveform 2
5.0
7.0
10.0
4.5
10.5
4.5
10.5
ns
AC WAVEFORMS
VM
A, B, C, D
YOUT
tPLH
tPHL
SF00445
Waveform 1. Propagation delay for AND gate to output
VM
tPHL
tPLH
BRn, EN
BGn
SF00446
Waveform 2. Propagation delay for bus request or enable to
bus grant output
VM
BRa
BGa
BRb
BGb
VM
tPHL
SF00447
Waveform 3. Propagation delay for bus request to bus grant
output
Notes to AC waveforms
1. For all waveforms, VM = 1.5V.
2. a and b represents any of the bus requests or grants. BGa
low–to–high transition and the BGb high–to–low transition occur
simultaneously.
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