TIBPAL20L8-7C_15 Datasheet, PDF (10/28 Pages) Texas Instruments – HIGH-PERFORMANCE IMPACT-X

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TIBPAL20L8-7C, TIBPAL20R4-7C, TIBPAL20R6-7C, TIBPAL20R8-7C
HIGH-PERFORMANCE IMPACT-X ™ PAL^® CIRCUITS
SRPS005E − D3307, OCTOBER 1989 − REVISED DECEMBER 2010
electrical characteristics over recommended operating free-air temperature range
PARAMETER
V_IK
V_OH
V_OL
I_OZH‡
I_OZL‡
I_I
I_IH‡
I_IL‡
I_OS§
I_CC
C_i
C_o
C_clk
V_CC = 4.75 V,
V_CC = 4.75 V,
V_CC = 4.75 V,
V_CC = 5.25 V,
V_CC = 5.25 V,
V_CC = 5.25 V,
V_CC = 5.25 V,
V_CC = 5.25 V,
V_CC = 5.25 V,
V_CC = 5.25 V,
f = 1 MHz,
f = 1 MHz,
f = 1 MHz,
TEST CONDITIONS
I_I = − 18 mA
I_OH = − 3.2 mA
I_OL = 24 mA
V_O = 2.7 V
V_O = 0.4 V
V_I = 5.5 V
V_I = 2.7 V
V_I = 0.4 V
V_O = 0.5 V
V_I = 0,
V_I = 2 V
V_O = 2 V
V_CLK = 2 V
Outputs open
MIN TYP^†
−0.8
2.4 3.2
0.3
−80
−30 −70
150
5
6
6
MAX
− 1.5
0.5
100
−100
100
25
−250
−130
210
UNIT
V
V
V
μA
μA
μA
μA
μA
mA
mA
pF
pF
pF
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITION
MIN TYP^† MAX UNIT
without feedback
100
f_max¶
with internal feedback
(counter configuration)
100
MHz
with external feedback
74
1 or 2 outputs switching
3 5.5
7
t_pd
I, I/O
O, I/O
8 outputs switching
R1 = 200 Ω,
ns
3
6 7.5
t_pd
t_pd#
t_en
t_dis
t_en
t_dis
t_sk(o)||
CLK↑
Q
CLK↑
Feedback input
OE↓
OE↑
I, I/O
I, I/O
Q
Q
O, I/O
O, I/O
Skew between registered outputs
R2 = 390 Ω,
See Figure 6
2
4 6.5 ns
3 ns
4 7.5 ns
4 7.5 ns
6
9 ns
6
9 ns
0.5
ns
† _{All typical values are at VCC = 5 V, TA = 25°C.}
‡ _{I/O leakage is the worst case of IOZL and IIL or IOZH and IIH respectively.}
§ _{Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. VO is set at 0.5 V to}
avoid test problems caused by test equipment ground degradation.
¶ _{See section for fmax specifications.}
# _{This parameter applies to TIBPAL20R4’ and TIBPAL20R6’ only (see Figure 4 for illustration) and is calculated from the measured fmax with internal}
feedback in the counter configuration.
|| _{This parameter is the measurement of the difference between the fastest and slowest tpd (CLK-to-Q) observed when multiple registered outputs}
are switching in the same direction.
10
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