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参数资料
| 型号： | M54HC193D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 计数器 |
| 英文描述： | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16 |
| 封装： | CERAMIC, DIP-16 |
| 文件页数： | 1/13页 |
| 文件大小： | 345K |
| 代理商： | M54HC193D |
1/13
April 2004
s
HIGH SPEED: fMAX=55MHz (TYP.) at VCC=6V
s
LOW POWER DISSIPATION:
ICC =4A(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH =VNIL = 28% VCC (MIN.)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH|= IOL =4mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH tPHL
s
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s
PIN AND FUNCTION COMPATIBLE WITH
54 SERIES 193
s
SPACE GRADE-1: ESA SCC QUALIFIED
s
50 krad QUALIFIED, 100 krad AVAILABLE ON
REQUEST
s
NO SEL UNDER HIGH LET HEAVY IONS
IRRADIATION
s
DEVICE FULLY COMPLIANT WITH
SCC-9204-065
DESCRIPTION
The
M54HC193
is
an
high
speed
CMOS
SYNCRONOUS
UP/DOWN
BINARY
COUNTERS fabricated with silicon gate C2MOS
technology.
The counter has two separate clock inputs, an UP
COUNT input and a DOWN COUNT input. All
outputs
of
the
flip-flop
are
simultaneously
triggered on the low to high transition of either
clock while the other input is held high. The
direction of counting is determined by which input
is clocked. This counter may be preset by entering
the desired data on the DATA A, DATA B, DATA
C, and DATA D input. When the LOAD input is
taken low the data is loaded independently of
either clock input. This feature allows the counters
to be used as divide-by-n counters by modifying
the count length with the preset inputs. In addition
the
counter
can
also
be
cleared.
This
is
accomplished by inputting a high on the clear
input. All 4 internal stages are set to low
independently of either COUNT input. Both a
BORROW and CARRY output are provided to
enable cascading of both up and down counting
functions. The BORROW output produces a
negative going pulse when the counter underflows
and the CARRY outputs a pulse when the
counters overflows. The counter can be cascaded
by connection the CARRY and BORROW outputs
of one device to the COUNT UP and COUNT
DOWN inputs, respectively, of the next device.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M54HC193
RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER
PIN CONNECTION
ORDER CODES
PACKAGE
FM
EM
DILC
M54HC193D
M54HC193D1
FPC
M54HC193K
M54HC193K1
DILC-16
FPC-16
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| M54HC257D | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M54HC193D1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER |
| M54HC193F1R | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER |
| M54HC193K | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER |
| M54HC193K1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER |
| M54HC193M1R | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER |
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