参数资料
型号: SN74GTL16612DGGR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: GTL/TVC SERIES, 18-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
封装: GREEN, PLASTIC, TSSOP-56
文件页数: 12/15页
文件大小: 362K
代理商: SN74GTL16612DGGR
www.ti.com
Timing Requirements
Switching Characteristics
SN54GTL16612, SN74GTL16612
18-BIT LVTTL-TO-GTL/GTL+ UNIVERSAL BUS TRANSCEIVERS
SCBS480K – JUNE 1994 – REVISED JULY 2005
over recommended ranges of supply voltage and operating free-air temperature,
V
TT = 1.2 V and VREF = 0.8 V for GTL (unless otherwise noted) (see Figure 1)
SN54GTL16612
SN74GTL16612
UNIT
MIN
MAX
MIN
MAX
fclock
Clock frequency
95
MHz
LEAB or LEBA high
3.3
tw
Pulse duration
ns
CLKAB or CLKBA high or low
5.6
A before CLKAB
1.3
B before CLKBA
3.4
2.5
A before LEAB
1.2
0
tsu
Setup time
ns
B before LEBA
1
CEAB before CLKAB
2.1
2
CEBA before CLKBA
2.6
2.2
A after CLKAB
2.9
1.6
B after CLKBA
4.1
0.3
A after LEAB
4.5
4
th
Hold time
ns
B after LEBA
4.3
3.6
CEAB after CLKAB
2
0.8
CEBA after CLKBA
1.1
over recommended ranges of supply voltage and operating free-air temperature,
V
TT = 1.2 V and VREF = 0.8 V for GTL (see Figure 1)
SN54GTL16612
SN74GTL16612
FROM
TO
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN TYP(1)
MAX
MIN TYP(1)
MAX
fmax
95
MHz
tPLH
1
2.8
4.5
1.5
2.8
4.1
A
B
ns
tPHL
1
2.5
4.5
1.3
2.5
4
tPLH
1
3.6
5.5
2
3.6
5.3
LEAB
B
ns
tPHL
1
3.5
6
1.9
3.5
5.4
tPLH
1
3.7
5.5
2.3
3.7
5.3
CLKAB
B
ns
tPHL
1
3.4
5.5
1.9
3.4
5.4
ten
1
3.3
5.5
2
3.3
5.5
OEAB
B
ns
tdis
1
3.4
5.5
2
3.4
5.1
tr
Transition time, B outputs (0.5 V to 1 V)
1.3
ns
tf
Transition time, B outputs (1 V to 0.5 V)
0.5
ns
tPLH
2
4.1
6.9
2.1
4.1
6.3
B
A
ns
tPHL
1
2.9
5.1
1.2
2.9
4.6
tPLH
2
3.7
6.1
2.3
3.7
5.7
LEBA
A
ns
tPHL
1
3
5.1
1.8
3
4.8
tPLH
2
3.8
6.4
2.5
3.8
6.1
CLKBA
A
ns
tPHL
2
3.3
5.6
2.3
3.3
5.2
ten
1
5
7.5
2.3
5
7.4
OEBA
A
ns
tdis
2
4.3
6.9
2.5
4.3
6.4
(1)
All typical values are at VCC (3.3 V) = 3.3 V, VCC (5 V) = 5 V, TA = 25°C.
6
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