參數(shù)資料
型號(hào): CD54HC195
廠商: Texas Instruments, Inc.
英文描述: High-Speed CMOS Logic 4-Bit Parallel Access Register
中文描述: 高速CMOS邏輯4位并行訪問(wèn)注冊(cè)
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 335K
代理商: CD54HC195
5
Test Circuit and Waveforms
FIGURE 1. CLOCK PREREQUISITE AND PROPAGATION
DELAYS AND OUTPUT TRANSITION TIMES
FIGURE 2. MASTER RESET PREREQUISITE AND
PROPAGATION DELAYS
FIGURE 3. J, K, OR PARALLEL ENABLE PREREQUISITE TIMES
CLOCK
Q OR Q
V
CC
GND
t
THL
t
TLH
10%
90%
l/f
MAX
t
PLH
t
W
t
r
t
f
V
S
t
PHL
10%
90%
0.5 V
CC
RESET
Q
t
PLH
Q
CLOCK
t
REM
V
S
t
PHL
V
S
t
W
V
CC
GND
V
CC
GND
0.5 V
CC
0.5 V
CC
PE, K
VALID
J
0.5 V
CC
t
SU
CLOCK
V
S
V
CC
GND
GND
t
h
CD54HC195, CD74HC195
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