74abtl3205 NXP Semiconductors, 74abtl3205 Datasheet - Page 11

• Manufacturer Part Number: 74abtl3205
• Description: 10-bit Btl Transceiver With Registers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST CIRCUIT AND WAVEFORMS
1995 Jun 16
10-bit BTL transceiver with registers
DEFINITIONS
R
C
R
C
R
GENERATOR
GENERATOR
T
L
L
D
U
PULSE
PULSE
=
=
=
=
=
Test Circuit for 3-State Outputs on A Port
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
generators.
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
Pull up resistor;
see AC CHARACTERISTICS for value.
Test Circuit for Outputs on B Port
V
V
IN
IN
R
R
SWITCH POSITION
TEST
t
All other
PLZ
T
T
BIAS V
BIAS V
, t
PZL
D.U.T.
D.U.T.
V
V
CC
CC
SWITCH
closed
open
V
V
OUT
2.0V (for R
2.1V (for R
OUT
C
L
U
U
R
C
= 9 )
= 16.5 )
U
D
OUT
R
R
L
L
of pulse
ABTL
A Port
B Port
7.0V
11
NEGATIVE
PULSE
POSITIVE
PULSE
V
M
90%
10%
Amplitude
= 1.55V for Bn or Bn, V
3.0V
2.0V
V
V
M
10%
90%
M
Input Pulse Definition
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
Low V
0.0V
1.0V
(t
(t
F
R
)
)
t
t
W
W
M
Rep. Rate
= 1.5V for all others
1MHz
1MHz
10%
90%
V
V
M
M
500ns 2.5ns 2.5ns
500ns 2.5ns 2.5ns
74ABTL3205
t
W
90%
10%
t
t
Product specification
TLH
THL
t
TLH
(t
(t
LOW V
LOW V
AMP (V)
AMP (V)
R
F
)
)
SA00146
t
THL