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HD74HC673 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – 16-bit Shift Register | |||
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HD74HC673
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = â40 to
+85°C
Item
Maximum clock
frequency
Symbol
f max
VCC (V)
2.0
4.5
Min Typ Max Min
ââ5 â
â â 27 â
Max Unit Test Conditions
4
MHz
21
6.0
â â 32 â 25
Propagation delay tPLH
time
t PHL
2.0
â â 200 â 250 ns STRCLR to Y
4.5
â 23 40 â 50
6.0
â â 34 â 43
t PLH
2.0
â â 200 â 250 ns Mode/STRCLK to Y
t PHL
4.5
â 23 40 â 50
6.0
â â 34 â 43
t PLH
2.0
â â 200 â 250 ns SHCLK to SER/Q15
t PHL
4.5
â 19 40 â 50
6.0
â â 34 â 43
Output enable
t ZH
time
t ZL
2.0
â â 150 â 190 ns
4.5
â â 30 â 38
6.0
â â 26 â 33
Output disable
t HZ
time
t LZ
2.0
â â 150 â 190 ns
4.5
â â 30 â 38
6.0
â â 26 â 33
Pulse width
tw
2.0
80 â â 100 â ns
4.5
16 6 â 20 â
6.0
14 â â 17 â
Setup time
t su
2.0
100 â â 125 â ns SER/Q15 to SH CLK
4.5
20 1 â 25 â
6.0
17 â â 21 â
t su
2.0
100 â â 125 â ns CS to R/W
4.5
20 7 â 25 â
6.0
17 â â 21 â
Hold time
th
2.0
5 ââ 5
â ns SH CLK to SER/Q15
4.5
5 0 â5
â
6.0
5 ââ 5
â
5
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