參數(shù)資料
型號: PCA9504ADGG
廠商: NXP SEMICONDUCTORS
元件分類: 標準邏輯
英文描述: Glue chip 4
中文描述: SPECIALTY LOGIC CIRCUIT, PDSO56
封裝: PLASTIC, TSSOP-56
文件頁數(shù): 17/29頁
文件大?。?/td> 146K
代理商: PCA9504ADGG
Philips Semiconductors
Product data
PCA9504A
Glue chip 4
2004 May 11
17
FLUSH OUT* / INIT OUT* CIRCUIT
SW00584
ICH_A20M*
ICH_INIT*
GPO_FLUSH_CACHE*
VCCP_VREF
VCCP
100
1
μ
F
GLUE CHIP
V_VCCP
VCC3
CPU
FWH
H_FLUSH_OUT_CPU*
H_FLUSH_OUT_FWH*
H_INIT_OUT*
50
1 k
1 k
1 k
Figure 5. Block diagram for FLUSH_OUT*/INIT_OUT* circuit
Case
A20M*
GPO FLUSH
CACHE*
INIT*
FLUSH OUT
CPU*
FLUSH OUT
FWH*
INIT OUT*
1
1
falling edge
0
0 (for t1)
0 (for t1)
0, Hi-Z, then 0 (delayed by t1-t, then active for 2*t)
2
1
falling edge
1
0 (for t1)
0 (for t1)
Hi-Z, 0 (delayed by t1-t, then active for 2*t)
3
X
1
0
Hi-Z
Hi-Z
0
4
X
1
1
Hi-Z
Hi-Z
Hi-Z
5
0
falling edge
1
Hi-Z
Hi-Z
Hi-Z
6
0
falling edge
0
Hi-Z
Hi-Z
0
NOTE:
1. Nominal value timings with tolerances are listed in the DC Characteristics table for t and t1. All Hi-Z outputs are shown as 1’s or HIGH in the
following diagrams.
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