IDT74FCT861BP 查看數據表（PDF） - Integrated Device Technology
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IDT74FCT861BP Datasheet PDF : 8 Pages
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IDT54/74FCT861A/B, IDT54/74FCT863A/B
HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
V CC
VIN
Pulse
Generator
D.U.T.
RT
VOUT
50pF
CL
500Ω
500Ω
SWITCH POSITION
7.0V
Test
Open Drain
Disable Low
Enable Low
Switch
Closed
All Other Tests
Open
DEFINITIONS:
2610 tbl 08
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse
Generator.
SET-UP, HOLD AND RELEASE TIMES
PULSE WIDTH
DATA
INPUT
TIMING
tSU
tH
3V
1.5V
0V
3V
LOW-HIGH-LOW
PULSE
INPUT
1.5V
ASYNCHRONOUS CONTROL
PRESET
tREM
0V
3V
tW
CLEAR
ETC.
1.5V
0V
HIGH-LOW-HIGH
PULSE
SYNCHRONOUS CONTROL
PRESET
CLEAR
CLOCK ENABLE
tSU
tH
3V
1.5V
0V
ETC.
1.5V
1.5V
PROPAGATION DELAY
SAME PHASE
INPUT TRANSITION
tPLH
tPHL
OUTPUT
tPLH
tPHL
OPPOSITE PHASE
INPUT TRANSITION
3V
1.5V
0V
VOH
1.5V
VOL
3V
1.5V
0V
ENABLE AND DISABLE TIMES
ENABLE
DISABLE
CONTROL
INPUT
OUTPUT
NORMALLY
LOW
tPZL
SWITCH
CLOSED
tPZH
OUTPUT
NORMALLY
HIGH
SWITCH
OPEN
3V
1.5V
0V
tPLZ
3.5V
3.5V
1.5V
tPHZ
0.3V VOL
1.5V
0.3V VOH
0V
0V
2610 drw 03
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-
HIGH
2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns
7.23
7
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