參數(shù)資料
型號(hào)： IDT74FCT2646TPB
廠商： Integrated Device Technology, Inc.
英文描述： FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
中文描述： 快速CMOS八端口收發(fā)器/寄存器（3態(tài)）
文件頁(yè)數(shù)： 8/9頁(yè)
文件大?。?/td> 189K
代理商： IDT74FCT2646TPB
6.20
8
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
SET-UP, HOLD AND RELEASE TIMES
PULSE WIDTH
SWITCH POSITION
2634 drw 10
2634 drw 11
ENABLE AND DISABLE TIMES
PROPAGATION DELAY
Pulse
Generator
R
T
D.U.T.
V
CC
V
IN
C
L
V
OUT
50pF
500
500
7.0V
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
DATA
INPUT
TIMING
INPUT
ASYNCHRONOUS CONTROL
PRESET
CLEAR
ETC.
SYNCHRONOUS CONTROL
PRESET
CLEAR
CLOCK ENABLE
t
SU
t
H
t
REM
t
SU
t
H
HIGH-LOW-HIGH
PULSE
LOW-HIGH-LOW
PULSE
t
W
1.5V
1.5V
SAME PHASE
INPUT TRANSITION
3V
1.5V
0V
V
OH
1.5V
V
OL
t
PLH
OUTPUT
OPPOSITE PHASE
INPUT TRANSITION
3V
1.5V
0V
t
PLH
t
PHL
t
PHL
CONTROL
INPUT
3V
1.5V
0V
3.5V
0V
OUTPUT
NORMALLY
LOW
OUTPUT
NORMALLY
HIGH
SWITCH
CLOSED
t
PZH
SWITCH
OPEN
V
OL
0.3V
0.3V
t
PLZ
t
PZL
t
PHZ
3.5V
1.5V
0V
1.5V
ENABLE
DISABLE
V
OH
ETC.
Test
Switch
Disable Low
Enable Low
Closed
All Other Tests
Open
Open Drain
DEFINITIONS:
C
L
=
Load capacitance: includes jig and probe capacitance.
R
T
=
Termination resistance: should be equal to Z
OUT
of the Pulse
Generator.
2634 drw 12
2634 drw 13
2634 lnk 11
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-
HIGH
2. Pulse Generator for All Pulses: Rate
≤
1.0MHz; t
F
≤
2.5ns; t
R
≤
2.5ns
2634 drw 14
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IDT74FCT2646TPG FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT2646TPY FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
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IDT74FCT2646TQ Ceramic Chip Capacitors / Standard Y5V; Capacitance [nom]: 10uF; Working Voltage (Vdc)[max]: 16V; Capacitance Tolerance: -20+80%; Dielectric: Multilayer Ceramic; Temperature Coefficient: Y5V; Lead Style: Surface Mount Chip; Lead Dimensions: 1210; Termination: Tin Plated Nickel Barrier; Body Dimensions: 0.126" x 0.098"; Container: Bulk; Features: Unmarked
IDT74FCT2646TQB FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
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