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参数资料
| 型号： | CD3207BB |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | 7-bit Futurebus transceiver |
| 中文描述： | 7 LINE TRANSCEIVER, PQFP52 |
| 封装： | PLASTIC, QFP-52 |
| 文件页数： | 11/14页 |
| 文件大小： | 148K |
| 代理商： | CD3207BB |
Philips Semiconductors
Product specification
FB2041
7-bit Futurebus+ transceiver
1995 May 25
11
TEST CIRCUIT AND WAVEFORMS
2.5ns
2.5ns
500ns
500ns
INPUT PULSE REQUIREMENTS
Rep. Rate
Amplitude
t
TLH
t
THL
1MHz
3.0V
2.5ns
Input Pulse Definitions
V
M
= 1.55V for Bn, V
M
= 1.5V for all others.
V
CC
Family
FB+
D.U.T.
PULSE
GENERATOR
7.0V
R
L
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for 3-State Outputs on A Port
TEST
SWITCH
SWITCH POSITION
t
t
All other
closed
open
DEFINITIONS:
R
L
=
C
L
=
Load Resistor; see AC CHARACTERISTICS for value.
Load capacitance includes jig and probe capacitance; see AC
CHARACTERISTICS for value.
Termination resistance should be equal to Z
of pulse generators.
Load capacitance includes jig and probe capacitance; see AC
CHARACTERISTICS for value.
Pull up resistor; see AC CHARACTERISTICS for value.
R
T
=
C
D
=
R
U
=
t
W
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
LOW V
LOW V
t
THL
(t
f
)
t
TLH
(t
r
)
t
W
BIAS
V
t
W
Low V
0.0V
t
TLH
(t
r
)
t
THL
(t
f
)
A Port
1MHz
2.0V
2.5ns
1.0V
B Port
V
CC
D.U.T.
PULSE
GENERATOR
R
U
C
D
R
T
V
IN
V
OUT
Test Circuit for Outputs on B Port
BIAS
V
2.0V (for R
U
= 9
)
2.1V (for R
U
= 16.5
)
SG00059
V
IN
V
IN
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