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Número de pieza | PCK2001M | |
Descripción | 14.318-150 MHz I2C 1:10 Clock Buffer | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de PCK2001M (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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PCK2001M
14.318-150 MHz I2C 1:10 Clock Buffer
Product specification
Supersedes data of 1998 Oct 27
1999 Jul 06
Philips
Semiconductors
1 page Philips Semiconductors
14.318–150 MHz I2C 1:10 Clock Buffer
Product specification
PCK2001M
SDRAM CLOCK OUTPUT BUFFER PULL-UP CHARACTERISTICS
PULL-UP
VOLTAGE
(V)
MIN
I
(mA)
TYP
0 –72 –116
1 –72 –116
1.40 –68 –110
1.50 –67 –107
1.65 –64 –103
1.80 –60 –98
2.00 –54 –90
2.40 –39 –69
2.60 –30 –56
3.135
0
–15
3.30 0
3.465
SDRAM PULL-UP
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5
0
–20
–40
–60
–80
IOH (mA) –100
–120
–140
–160
–180
–200
VOUT (V)
MAX
–198
–198
–188
–184
–177
–170
–157
–126
–107
–46
–23
0
MIN
TYP
MAX
SW00249
1999 Jul 06
5
5 Page Philips Semiconductors
14.318–150 MHz I2C 1:10 Clock Buffer
Product specification
PCK2001M
AC WAVEFORMS
VM = 1.5V
VX = VOL + 0.3V
VY = VOH –0.3V
VOL and VOH are the typical output voltage drop that occur with the
output load.
BUF_IN
INPUT
VM
tPLH
VDD
VM
tPHL
BUF_OUT
VM VM
SW00246
Figure 1. Load circuitry for switching times.
VI
nOE INPUT
GND
VM
VDD
VDD
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
tPLZ
VX
tPZL
VM
VOH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
VSS
tPHZ
outputs
enabled
tPZH
VY
outputs
disabled
VM
outputs
enabled
SW00245
Figure 2. 3-State enable and disable times
tkp
tkh DUTY CYCLE
2.4
1.5
0.4
tkl
tr tf
SW00479
Figure 4. Buffer Output clock
TEST CIRCUIT
VDD
PULSE
GENERATOR
VI
RT
D.U.T.
VO
CL
S1
2<VDD
Open
VSS
500Ω
500Ω
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2<VDD
VSS
SW00251
Figure 5. Load circuitry for switching times
TSDKH
TSDKP
DUTY CYCLE
2.4
1.5
0.4
TSDRISE
TSDKL
TSDFALL
SW00247
Figure 3. SDRAM Output clock
1999 Jul 06
11
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet PCK2001M.PDF ] |
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PCK2001M | 14.318-150 MHz I2C 1:10 Clock Buffer | NXP Semiconductors |
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