IDT74FCT388915T133

Manufacturer Part NumberIDT74FCT388915T133
ManufacturerIntegrated Device Technology, Inc.
IDT74FCT388915T133 datasheet
 

Specifications of IDT74FCT388915T133

CasePLCC/28Date_code00+
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IDT54/74FCT388915T 70/100/133/150
3.3V LOW SKEW PLL-BASED CLOCK DRIVER
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
Symbol
t
Rise/Fall Time
RISE/FALL
All Outputs
(between 0.8V and 2.0V)
PULSE WIDTH (3)
t
Output Pulse Width
Q
Q
(3)
Q,
, Q/2 outputs
Q0-Q4,
5, Q/2, @ 1.5V
t
Output Pulse Width
PULSE WIDTH
(3)
2Q Output
2Q @ 1.5V
t
SYNC input to FEEDBACK delay
PD
(3)
SYNC-FEEDBACK
(measured at SYNC0 or 1 and FEEDBACK
input pins)
t
r
Output to Output Skew
SKEW
(3,4)
(rising)
between outputs 2Q, Q0-Q4,
Q/2 (rising edges only)
t
f
Output to Output Skew
SKEW
(3,4)
(falling)
between outputs Q0-Q4 (falling edges only)
(3,4)
t
all
Output to Output Skew
SKEW
2Q, Q/2, Q0-Q4 rising,
LOCK (6)
t
Time required to acquire
Phase-Lock from time
SYNC input signal is received
t
Output Enable Time
PZH
RST
t
OE/
(LOW-to-HIGH) to Q, 2Q, Q/2,
PZL
t
Output Disable Time
PHZ
RST
t
OE/
(HIGH-to-LOW) to Q, 2Q, Q/2,
PLZ
GENERAL AC SPECIFICATION NOTES:
*
PRELIMINARY.
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested.
3. These specifications are guaranteed but not production tested.
4. Under equally loaded conditions, as specified under test conditions and at a fixed temperature and voltage.
5. t
= 1/frequency at which each output (Q,
CYCLE
6. With V
fully powered-on and an output properly connected to the FEEDBACK pin. t
CC
C1 is loop filter capacitor shown in Figure 2).
Parameter
Condition
Load = 50 to
V
/2, C
CC
L
Load = 50 to
V
/2, C
CC
L
Load = 50 to
V
/2, C
CC
L
0.1 F from LF to
Analog GND
Load = 50 to
V
/2, C
CC
L
Q
5 falling
Q
Q
Q
, Q/2 or 2Q) is expected to run.
LOCK
9.8
MILITARY AND COMMERCIAL TEMPERATURE RANGES
(1)
Min.*
Max.*
(2)
0.2
1.5
= 20pF
(5)
0.5t
– 0.5
0.5t
CYCLE
CYCLE
= 20pF
(5)
0.5t
– 0.7
0.5t
CYCLE
CYCLE
–0.5
+0.5
= 20pF
(5)
250
= 20pF
250
350
(2)
1
10
(2)
3
14
(2)
3
14
Max. is with C1 = 0.1 F, t
Min. is with C1 = 0.01 F. (Where
LOCK
Unit
ns
(5)
+ 0.5
ns
(5)
+ 0.7
ns
ns
ps
ps
ps
ms
ns
ns
3052 tbl 08
5