参数资料
型号: IDT5T93GL04PGI8
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 5T SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
封装: TSSOP-24
文件页数: 8/14页
文件大小: 147K
代理商: IDT5T93GL04PGI8
INDUSTRIALTEMPERATURERANGE
IDT5T93GL04
2.5VLVDS1:4GLITCHLESSCLOCKBUFFERTERABUFFERII
3
PIN DESCRIPTION
Symbol
I/O
Type
Description
A[1:2]
I
Adjustable(1,4) Clock input. A[1:2] is the "true" side of the differential clock input.
A[1:2]
I
Adjustable(1,4) Complementary clock inputs. A[1:2] is the complementary side of A[1:2]. For LVTTL single-ended operation, A[1:2] should be set to the
desiredtogglevoltageforA[1:2]:
3.3V LVTTL VREF = 1650mV
2.5V LVTTL VREF = 1250mV
G
I
LVTTL
Gate control for differential outputs Q1 and Q1 through Q4 and Q4. When Gis LOW, the differential outputs are active. When Gis
HIGH, the differential outputs are asynchronously driven to the level designated by GL(2).
GL
I
LVTTL
Specifies output disable level. If HIGH, "true" outputs disable HIGH and "complementary" outputs disable LOW. If LOW, "true"
outputsdisableLOWand"complementary"outputsdisableHIGH.
Qn
O
LVDS
Clockoutputs
Qn
O
LVDS
Complementaryclockoutputs
SEL
I
LVTTL
Reference clock select. When LOW, selects A2 and A2. When HIGH, selects A1 and A1.
PD
I
LVTTL
Power-down control. Shuts off entire chip. If LOW, the device goes into low power mode. Inputs and outputs are disabled. Both
"true" and "complementary" outputs will pull to VDD. Set HIGH for normal operation.(3)
FSEL
I
LVTTL
At a rising edge, FSEL forces select to the input designated by SEL. Set LOW for normal operation.
VDD
PWR
Power supply for the device core and inputs
GND
PWR
Ground
NOTES:
1. Inputs are capable of translating the following interface standards:
Single-ended 3.3V and 2.5V LVTTL levels
Differential HSTL and eHSTL levels
Differential LVEPECL (2.5V) and LVPECL (3.3V) levels
Differential LVDS levels
Differential CML levels
2. Because the gate controls are asynchronous, runt pulses are possible. It is the user's responsibility to either time the gate control signals to minimize the possibility of runt
pulses or be able to tolerate them in down stream circuitry.
3. It is recommended that the outputs be disabled before entering power-down mode. It is also recommended that the outputs remain disabled until the device completes power-
up after asserting PD.
4. The user must take precautions with any differential input interface standard being used in order to prevent instability when there is no input signal.
相关PDF资料
PDF描述
IDT5T93GL04PGGI8 5T SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
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