IDT54FCT2646AT 데이터 시트보기 (PDF) - Integrated Device Technology
부품명
상세내역
일치하는 목록
IDT54FCT2646AT Datasheet PDF : 9 Pages
| |||
IDT54/74FCT646/2646/652/2652T/AT/CT/DT, 648T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
V CC
7.0V
VIN
Pulse
Generator
D.U.T.
RT
V OUT
50pF
CL
500Ω
500Ω
2634 drw 10
SWITCH POSITION
Test
Switch
Open Drain
Disable Low
Closed
Enable Low
All Other Tests
Open
DEFINITIONS:
2634 lnk 11
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.
2634 drw 11
1.5V
1.5V
2634 drw 12
PROPAGATION DELAY
SAME PHASE
INPUT TRANSITION
tPLH
tPHL
OUTPUT
tPLH
tPHL
OPPOSITE PHASE
INPUT TRANSITION
ENABLE AND DISABLE TIMES
3V
1.5V
0V
VOH
1.5V
VOL
3V
1.5V
0V
2634 drw 13
ENABLE
DISABLE
3V
CONTROL
INPUT
tPZL
1.5V
0V
tPLZ
OUTPUT
NORMALLY
LOW
SWITCH
CLOSED
tPZH
3.5V
1.5V
tPHZ
3.5V
0.3V VOL
OUTPUT
NORMALLY
HIGH
SWITCH
OPEN
1.5V
0V
0.3V VOH
0V
NOTES:
2634 drw 14
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
6.20
8
Share Link: 