參數(shù)資料
型號(hào): UPD72042A
廠商: NEC Corp.
英文描述: LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
中文描述: LSI器件間設(shè)備BusTM(IEBusTM)協(xié)議控制
文件頁(yè)數(shù): 85/92頁(yè)
文件大小: 541K
代理商: UPD72042A
μ
PD72042A, 72042B
85
DATA SHEET S13990EJ2V0DS00
AC CHARACTERISTICS
(T
A
= –40 to +85
°
C, V
DD
= 5 V
±
10 %)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
System clock
f
X
= 6 MHz
5.91
6.00
6.09
MHz
f
X
= 6.29 MHz
6.20
6.29
6.38
MHz
SCK cycle time
t
KCY
0.8
μ
s
SCK high-level width
t
KH
0.4
μ
s
SCK low-level width
t
KL
0.4
μ
s
SI (SIO)
Note 1
setup time
t
SIK
Referred to SCK
100
ns
SI (SIO)
Note 1
hold time
t
KSI
Referred to SCK
400
ns
SO (SIO)
Note 2
output delay
t
KSO
Referred to SCK
300
ns
CS, C/D setup time
t
SA
Referred to SCK
50
ns
CS, C/D hold time
t
HA
Referred to SCK
400
ns
IRQ output high-level width
8
11
μ
s
RESET low-level width
6
μ
s
SERIAL TRANSFER TIMING
t
SA
t
HA
t
KCY
t
KL
t
KH
t
KSI
t
SIK
t
KSO
CS, C/D
SCK
SI (SIO)
Note 1
SO (SIO)
Note 2
Input data
Output data
Notes 1.
For 3-wire serial I/O: SI
For 2-wire serial I/O: SIO
2.
For 3-wire serial I/O: SO
For 2-wire serial I/O: SIO
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