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参数资料
| 型号： | SNJ54GTL16923HVR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | GTL/TVC SERIES, DUAL 9-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQFP68 |
| 封装： | CERAMIC, QFP-68 |
| 文件页数： | 6/9页 |
| 文件大小： | 165K |
| 代理商： | SNJ54GTL16923HVR |
SN54GTL16923, SN74GTL16923
18-BIT LVTTL-TO-GTL/GTL+ BUS TRANSCEIVERS
SCBS674D – AUGUST 1996 – REVISED JULY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature for GTL (unless otherwise noted)
SN54GTL16923
SN74GTL16923
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
200
0
200
MHz
tw
Pulse duration, CLK high or low
2.5
ns
t
Setup time
Data before CLK
↑
2.7
2.6
ns
tsu
Setup time
CE before CLK
↑
3.5
3.3
ns
th
Hold time
Data after CLK
↑
0.2
0.1
ns
th
Hold time
CE after CLK
↑
0
ns
These parameters are warranted but not production tested.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature for GTL (see Figure 1)
PARAMETER
FROM
TO
SN54GTL16923
SN74GTL16923
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
fmax
200
MHz
tPLH
CLKAB
B
2.1
6
2.2
5.8
ns
tPHL
CLKAB
B
2
6.5
2.1
6.3
ns
tPLH
OEAB
B
1.9
5.2
2
5
ns
tPHL
OEAB
B
1.6
5.6
1.7
5.3
ns
Slew rate
Both transitions
0.5
V/ns
tr
Transition time, B outputs (0.6 V to 1 V)
0.2
3
0.3
2.9
ns
tf
Transition time, B outputs (1 V to 0.6 V)
0
4.3
0.1
3.9
ns
tPLH
CLKBA
A
1.7
5.3
1.8
5
ns
tPHL
CLKBA
A
1.6
5.1
1.7
4.8
ns
ten
OEBA
A
1.2
5.1
1.3
4.8
ns
tdis
OEBA
A
1.9
5.1
2
4.8
ns
These parameters are warranted but not production tested.
All typical values are at VCC = 3.3 V, TA = 25°C.
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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