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參數(shù)資料
| 型號： | 935266707112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | 32-LINE 56 ohm OTHER TERMINATOR, PDSO56 |
| 封裝： | PLASTIC, TSSOP-56 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 89K |
| 代理商： | 935266707112 |
Philips Semiconductors
Product specification
GTL2020/GTL2021/
GTL2022/GTL2023
32-bit GTL terminator with octal enables
2000 May 16
4
DC ELECTRICAL CHARACTERISTICS
VCC = 5 V ±5%; Tamb = 0°C to +70°C
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
MIN.
TYP.1
MAX.
UNIT
I
Control inputs
VCC = 5.5 V, VI = VCC or GND
—
0.1
±1
A
II
Switch inputs
VCC = 5.5 V, VI = 1.65 V, VBIAS = 0 V
—
0.01
±1
A
VIK
Input clamp voltage
VCC = 4.5 V, IIK = –18 mA
—
–0.85
–1.2
V
GTL2020 switch on resistance
VCC = MIN, VIN = 0 V, VBIAS = 1.5 V
48
56
64
rO
GTL2021 switch on resistance
VCC = MIN, VIN = 0 V, VBIAS = 1.5 V
64
75
86
rON
GTL2022 switch on resistance
VCC = MIN, VIN = 0 V, VBIAS = 1.5 V
85
100
115
GTL2023 switch on resistance
VCC = MIN, VIN = 0 V, VBIAS = 1.5 V
128
150
173
CIN
Input capacitance ENx pins
VIN = 0 V
—
5.6
—
pF
CON
Input capacitance, switch on
VIN = 0 V
—
3
—
pF
COFF
Input capacitance, switch off
VIN = 0 V
—
6
—
pF
ICC
Power supply quiescent
VBIAS = 1.5 OE = 0 V or VCC
—
10
A
ICC
Additional supply current per input pin2
VCC = 4.5 V to 5.5 V; one input at VCC –3.0 V,
other inputs at VCC or GND
—
0.1
0.5
mA
NOTES:
1. Typical values are shown at VCC = 5.0 V, +25°C ambient and maximum loading.
2. This is the increase in supply current for each LVTTL input at the specified voltage level other than VCC or GND.
AC ELECTRICAL CHARACTERISTICS
VCC = 5 V ±10%; Tamb = –40°C to +85°C; tr = tf = 2.5 nS
SYMBOL
PARAMETER
WAVEFORM
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
WAVEFORM
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
tPE
Bus enable
GTL2020
1
CL = 20 pF, RL = 500
1
–
3
ns
tPD
Bus disable
GTL2020
1
CL = 20 pF, RL = 500
1
–
3
ns
tPE
Bus enable
GTL2021
1
CL = 20 pF, RL = 500
1
–
3
ns
tPD
Bus disable
GTL2021
1
CL = 20 pF, RL = 500
1
–
3
ns
tPE
Bus enable
GTL2022
1
CL = 20 pF, RL = 500
1
–
3
ns
tPD
Bus disable
GTL2022
1
CL = 20 pF, RL = 500
1
–
4
ns
tPE
Bus enable
GTL2023
1
CL = 20 pF, RL = 500
1
–
5
ns
tPD
Bus disable
GTL2023
1
CL = 20 pF, RL = 500
1
–
5
ns
AC WAVEFORMS
Input
1.5 V
Ax
tPE
tPD
1.5 V
VOL+0.3 V
VOH–0.3 V
3.0 V
0 V
VOH
VOL
SW00566
VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES
Waveform 1.
TEST CIRCUIT
PULSE
GENERATOR
RT
VI
D.U.T.
VO
CL
VCC
Test Circuit for switching times
DEFINITIONS
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to ZOUT of pulse generators.
20 pF
RL = 500
SW00565
Figure 2.
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