HEF4755VPN 查看數據表（PDF） - Philips Electronics
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HEF4755VPN Datasheet PDF : 12 Pages
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Philips Semiconductors
Transceiver for serial data communication
Product specification
HEF4755V
LSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = −40 to + 85 °C; unless otherwise specified
PARAMETER
VDD
V
SYMBOL MIN.
TYP.
Asynchronous mode
Clock pulse width
LOW
HIGH
START pulse
width HIGH
Set-up time
Dn → CP
Hold time
CP → Dn
Reset (R) pulse
width HIGH
Synchronous mode
Clock pulse width
LOW
HIGH
Set-up time
START → CP
Hold time
CP → START
Set-up time
Dn → CP
Hold time
CP → Dn
Reset (R) pulse
width HIGH
5
10
tWCPL
5
10
tWCPH
5
10
tWSH
5
10
tsu
5
10
thold
5
10
tWRH
5
10
tWCPL
5
10
tWCPH
5
10
tsu
5
10
thold
5
10
tsu
5
10
thold
5
10
tWRH
500
125
500
125
0,9
0,22
1,4
0,35
0
0
1
0,25
625
150
625
150
0,6
0,15
300
75
600
150
0
0
1
0,25
Note
1. Measured between output voltage levels of 0,8 V and 2 V.
MAX. UNIT
ns
ns
ns
ns
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
µs
µs
CONDITIONS
AS at VDD
AS at VSS
January 1995
9
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