gtlp18t612 Fairchild Semiconductor, gtlp18t612 Datasheet - Page 7

• Manufacturer Part Number: gtlp18t612
• Description: 18-bit Lvttl/gtlp Universal Bus Transceiver
• Manufacturer: Fairchild Semiconductor

Test Circuits and Timing Waveforms
Note A: C
Voltage Waveform - Propagation Delay Times
L
includes probes and Jig capacitance.
Voltage Waveform - Pulse Width
Test Circuit for A Outputs
Test
t
t
t
PLH
PLZ
PHZ
All input pulses have the following characteristics: Frequency 10MHz, t
The outputs are measured one at a time with one transition per measurement.
/t
/t
/t
PZL
PHL
PZH
S
Open
6V
GND
V
V
V
V
V
inHIGH
inLOW
M
X
Y
Input and Measure Conditions
A or LVTTL
Pins
3.0
0.0
1.5
V
V
OL
OH
0.3V
0.3V
7
Note B: For B Port, C
Output Waveform 1 is for an output with internal conditions such that the
output is LOW except when disabled by the control output.
Output Waveform 2 is for an output with internal conditions such that the
output is HIGH except when disabled by the control output.
Voltage Waveform - Enable and Disable times
Voltage Waveform - Setup and Hold Times
B or GTLP
Pins
1.5
0.0
1.0
N/A
N/A
Test Circuit for B Outputs
RISE
L
30 pF is used for worst case.
t
FALL
2 ns (10% to 90%), Z
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O
50 .