參數(shù)資料
型號(hào): CY74FCT2543CTSOC
英文描述: Single 8-bit Bus Transceiver
中文描述: 單8位總線收發(fā)器
文件頁(yè)數(shù): 5/7頁(yè)
文件大?。?/td> 102K
代理商: CY74FCT2543CTSOC
CY74FCT823T
9-BIT BUS-INTERFACE REGISTER
SCCS069
OCTOBER 2001
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
PARAMETER
TEST LOAD
CY74FCT823AT
MIN
7
CY74FCT823BT
MIN
6
CY74FCT823CT
MIN
6
UNIT
MAX
MAX
MAX
tw
Pulse duration
CP
CL = 50 pF,
RL = 500
ns
CLR low
,
6
6
6
tsu
Setup time before CP
Setup time, before CP
Data
CL = 50 pF,
RL = 500
4
3
3
ns
EN
4
3
3
th
Hold time after CP
Hold time, after CP
Data
CL = 50 pF,
RL = 500
CL = 50 pF,
RL = 500
2
1.5
1.5
ns
EN
2
0
0
trec
Recovery time
CLR before CP
6
6
6
ns
switching characteristics over operating free-air temperature range (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TEST LOAD
CY74FCT823AT
MIN
CY74FCT823BT
MIN
CY74FCT823CT
MIN
UNIT
(OUTPUT)
MAX
MAX
7.5
MAX
tPLH
tPHL
tPLH
tPHL
CP
Y
CL = 50 pF,
RL = 500
10
6
ns
10
7.5
6
CP
Y
CL = 300 pF,
RL = 500
CL = 50 pF,
RL = 500
20
15
12.5
ns
20
15
12.5
tPLH
CLR
Y
14
9
8
ns
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
OE
Y
CL = 50 pF,
RL = 500
12
8
7
ns
12
8
7
OE
Y
CL = 300 pF,
RL = 500
23
15
12.5
ns
,
23
15
12.5
OE
Y
CL = 5 pF,
RL = 500
7
6.5
6
ns
7
6.5
6
OE
Y
CL = 50 pF,
RL = 500
8
8
7.5
7.5
6.5
6.5
ns
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