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SN54AHCT16244 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 6 Page - Texas Instruments

๋ถ€ํ’ˆ๋ช… SN54AHCT16244
์ƒ์„ธ๋‚ด์šฉ  16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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SN54AHCT16244 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 6 Page - Texas Instruments

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SN54AHCT16244, SN74AHCT16244
16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS334I โ€“ MARCH 1996 โ€“ REVISED JANUARY 2000
6
POST OFFICE BOX 655303
โ€ข DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
50% VCC
3 V
3 V
0 V
0 V
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Data Input
tPLH
tPHL
tPHL
tPLH
VOH
VOH
VOL
VOL
3 V
0 V
50% VCC
50% VCC
Input
Out-of-Phase
Output
In-Phase
Output
Timing Input
50% VCC
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
Output
Control
Output
Waveform 1
S1 at VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
โ‰ˆVCC
0 V
50% VCC
VOL + 0.3 V
50% VCC
โ‰ˆ0 V
3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open Drain
Open
VCC
GND
VCC
TEST
S1
3 V
0 V
tw
VOLTAGE WAVEFORMS
PULSE DURATION
Input
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
โ‰ค 1 MHz, ZO = 50 โ„ฆ, tr โ‰ค 3 ns, tf โ‰ค 3 ns.
D. The outputs are measured one at a time with one input transition per measurement.
From Output
Under Test
CL
(see Note A)
LOAD CIRCUIT FOR
3-STATE AND OPEN-DRAIN OUTPUTS
S1
VCC
RL = 1 kโ„ฆ
GND
From Output
Under Test
CL
(see Note A)
Test
Point
LOAD CIRCUIT FOR
TOTEM-POLE OUTPUTS
Open
VOH โ€“ 0.3 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
Figure 1. Load Circuit and Voltage Waveforms


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