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參數(shù)資料
| 型號(hào)： | SN54GTL1655HV |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | GTL/TVC SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQFP68 |
| 封裝： | CERAMIC, QFP-68 |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 266K |
| 代理商： | SN54GTL1655HV |
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SN54GTL1655, SN74GTL1655
16-BIT LVTTL-TO-GTL/GTL+ UNIVERSAL BUS TRANSCEIVERS
WITH LIVE INSERTION
SCBS696E – JULY 1997 – REVISED NOVEMBER 1999
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature, VTT = 1.5 V, VREF = 1 V and VERC = VCC or GND for GTL+ (unless otherwise noted)
SN54GTL1655
SN74GTL1655
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
160
MHz
t
Pulse duration
LE high
3
ns
tw
Pulse duration
CLK high or low
3
ns
Data before CLK
↑
2.7
tsu
Setup time
Data before LE
↓
CLK high
2.8
ns
Data before LE
↓
CLK low
2.6
th
Hold time
Data after CLK
↑
0.4
ns
th
Hold time
Data after LE
↓
CLK high or low
0.9
ns
A-to-B switching characteristics over recommended ranges of supply voltage and operating
free-air temperature, VTT = 1.5 V, VREF = 1 V and VERC = VCC or GND for GTL+ (see Figure 1)
PARAMETER
FROM
TO
SN54GTL1655
SN74GTL1655
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
UNIT
fmax
160
MHz
tPLH
A
B
3
5.1
3
5.1
ns
tPHL
VERC = VCC
B
2.9
6.5
2.9
6.5
ns
tPLH
CLK
B
3.4
5.4
3.4
5.4
ns
tPHL
VERC = VCC
B
2.7
6.2
2.7
6.2
ns
tPLH
LEAB
B
3.5
5.7
3.5
5.7
ns
tPHL
VERC = VCC
B
2.8
6.7
2.8
6.7
ns
ten
OEAB
B
3.3
5.4
3.3
5.4
ns
tdis
OEAB
VERC = VCC
B
3
6.3
3
6.3
ns
ten
OE
B
3
5.5
3
5.5
ns
tdis
OE
VERC = VCC
B
3.6
5.8
3.6
5.8
ns
tPLH
A
B
2.3
4.3
2.3
4.3
ns
tPHL
VERC = GND
B
2
4.4
2
4.4
ns
tPLH
CLK
B
2.7
4.8
2.7
4.8
ns
tPHL
VERC = GND
B
1.9
4.5
1.9
4.5
ns
tPLH
LEAB
B
2.8
4.9
2.8
4.9
ns
tPHL
VERC = GND
B
2.1
4.9
2.1
4.9
ns
ten
OEAB
B
2.5
4.5
2.5
4.5
ns
tdis
OEAB
VERC = GND
B
2.1
4.4
2.1
4.4
ns
ten
OE
B
2.5
4.6
2.5
4.6
ns
tdis
OE
VERC = GND
B
2.9
4.9
2.9
4.9
ns
Slew rate (VERC = VCC)
Both transitions, B outputs (0.6 V to 1.3 V)
1
ns/V
Slew rate (VERC = GND)
Both transitions, B outputs (0.6 V to 1.3 V)
1
ns/V
tsk(o)
Skew between drivers in the same package
(switching in the same direction)
1
ns
tsk(o)
Skew between drivers
switching in any direction in the same package
1
ns
Skew values are applicable for through mode only.
Skew values are applicable for CLK mode only, with all outputs switching simultaneously.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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