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74LVC169 数据表(PDF) 8 Page - NXP Semiconductors

部件名 74LVC169
功能描述  Presettable synchronous 4-bit up/down binary counter
PDF  14 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74LVC169 数据表(HTML) 8 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74LVC169
Presettable synchronous 4-bit up/down
binary counter
1998 May 20
8
AC CHARACTERISTICS
GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF; RL = 500W; Tamb = –40_C to +85_C
LIMITS
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ±0.3V
VCC = 2.7V
VCC = 1.2V
UNIT
MIN.
TYP1
MAX.
MIN.
MAX.
TYP
tPHL/tPLH
propagation delay
CP to Qn
1
-
5.0
8.5
-
9.5
24
ns
tPHL/tPLH
propagation delay
CP to TC
1
-
6.5
10.8
-
12.8
30
ns
tPHL/tPLH
propagation delay
CET to TC
2
-
5.3
8.7
-
9.7
19
ns
tPHL/tPLH
propagation delay
U/D to TC
4
-
5.7
9.5
-
10.5
24
ns
tW
clock pulse width
HIGH or LOW
1
4.0
1.2
-
5.0
-
-
ns
tsu
set-up time
Dn to CP
3
2.5
1.0
-
3.0
-
-
ns
tsu
set-up time
PE to CP
3
3.0
1.2
-
3.5
-
-
ns
tsu
set-up time
U/D to CP
5
5.5
2.8
-
6.5
-
-
ns
tsu
set-up time
CEP, CET to CP
5
4.5
2.1
-
5.5
-
-
ns
th
hold time
Dn, PE, CEP, CET,
U/D to CP
3 and 5
0
*2.5
-
0
-
-
ns
fmax
maximum clock pulse
frequency
1
125
200
-
110
-
-
MHz
NOTE:
1. These typical values are measured at VCC = 3.3V and Tamb = 25°C.



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