參數(shù)資料
型號: 74HCT193
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Presettable synchronous 4-bit binary up/down counter
中文描述: 可預(yù)置同步4位二進(jìn)制加/減計數(shù)器
文件頁數(shù): 11/13頁
文件大小: 95K
代理商: 74HCT193
December 1990
11
Philips Semiconductors
Product specification
Presettable synchronous 4-bit binary
up/down counter
74HC/HCT193
AC WAVEFORMS
Fig.7
Waveforms showing the clock (CP
U
, CP
D
) to output (Q
n
) propagation delays, the clock pulse width, and
the maximum clock pulse frequency.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3V; V
I
= GND to 3 V.
Fig.8 Waveforms showing the clock (CP
U
, CP
D
) to terminal count output (TC
U
, TC
D
) propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3V; V
I
= GND to 3 V.
Fig.9
Waveforms showing the parallel load input (PL) and data (D
n
) to Q
n
output propagation delays and
PL removal time to clock input (CP
U
, CP
D
).
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3V; V
I
= GND to 3 V.
相關(guān)PDF資料
PDF描述
74HC193 Presettable synchronous 4-bit binary up/down counter
74HCT194 4-bit bidirectional universal shift register
74HC194 4-bit bidirectional universal shift register
74HCT195 4-bit parallel access shift register
74HC195 4-bit parallel access shift register
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