參數(shù)資料
型號: 74ABTL3205
廠商: NXP Semiconductors N.V.
英文描述: 10-bit BTL transceiver with registers(帶寄存的10位 BTL收發(fā)器)
中文描述: 10位橋接器與寄存器(帶寄存的10位橋接收發(fā)器)
文件頁數(shù): 11/14頁
文件大?。?/td> 105K
代理商: 74ABTL3205
Philips Semiconductors
Product specification
74ABTL3205
10-bit BTL transceiver with registers
1995 Jun 16
11
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
C
L
R
L
V
CC
R
L
7.0V
Test Circuit for 3-State Outputs on A Port
V
M
V
M
t
W
AMP (V)
NEGATIVE
PULSE
10%
10%
90%
90%
LOW V
V
M
V
M
t
W
POSITIVE
PULSE
90%
90%
10%
10%
LOW V
t
THL
(t
F
)
t
TLH
(t
R
)
t
THL
(t
F
)
t
TLH
(t
R
)
V
M
= 1.55V for Bn or Bn, V
M
= 1.5V for all others
Input Pulse Definition
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
OUT
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
=
BIAS V
SWITCH POSITION
TEST
SWITCH
t
PLZ
, t
PZL
All other
closed
open
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
C
D
V
CC
R
U
Test Circuit for Outputs on B Port
BIAS V
2.0V (for R
U
= 9
)
2.1V (for R
U
= 16.5
)
ABTL
INPUT PULSE REQUIREMENTS
Amplitude
Low V
Rep. Rate
t
W
t
TLH
t
THL
A Port
3.0V
0.0V
1MHz
500ns
2.5ns
2.5ns
B Port
2.0V
1.0V
1MHz
500ns
2.5ns
2.5ns
SA00146
AMP (V)
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PDF描述
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