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参数资料
| 型号： | SNJ54CDC341FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | CDC SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 6/10页 |
| 文件大小： | 159K |
| 代理商： | SNJ54CDC341FKR |
SN54CDC341
1-LINE TO 8-LINE CLOCK DRIVER
SGAS005A – MARCH 1996 – REVISED JULY 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
500
tPLH
tPHL
1.5 V
3 V
0 V
1.5 V
VOH
VOL
2 V
0.8 V
tf
tr
Input
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
Output
NOTES: A. CL includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 , tr ≤ 2.5 ns, tf ≤ 2.5 ns.
Figure 1. Load Circuit and Voltage Waveforms
A
1G
1Yn
tPLH1
tPHL1
2Yn
tPLH2
tPHL2
2G
NOTES: A. Output skew, tsk(o), is calculated as the greater of:
– The difference between the fastest and slowest of tPLHn (n = 1, 2)
– The difference between the fastest and slowest of tPHLn (n = 1, 2)
B. Pulse skew, tsk(p), is calculated as the greater of | tPLHn – tPHLn | (n = 1, 2).
C. Process skew, tsk(pr), is calculated as the greater of:
– The difference between the fastest and slowest of tPLHn (n = 1, 2) across multiple devices under identical operating conditions
– The difference between the fastest and slowest of tPHLn (n = 1, 2) across multiple devices under identical operating conditions
Figure 2. Waveforms for Calculation of tsk(o), tsk(p), tsk(pr)
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