參數(shù)資料
型號: A49LF004
廠商: AMIC Technology Corporation
英文描述: 4 Mbit CMOS 3.3Volt-only Firmware Hub Flash Memory
中文描述: 4兆位的CMOS 3.3Volt只閃存固件集線器
文件頁數(shù): 19/32頁
文件大?。?/td> 595K
代理商: A49LF004
A49LF004
PRELIMINARY (November, 2003, Version 0.0)
18
AMIC Technology, Corp.
Table 15: FWH Mode Interface AC Input/Output Characteristics
Symbol
Parameter
Test Conditions
Min
Max
Units
0 < V
OUT
0.3V
DD
-12 V
DD
mA
0.3V
DD
< V
OUT
0.9V
DD
-17.1(V
DD
-V
OUT
)
mA
I
OH
(AC)
Switching Current High
0.7V
DD
< V
OUT
V
DD
Equation C
mA
(Test Point)
V
OUT
= 0.7V
DD
-32 V
DD
mA
V
DD
> V
OUT
0.6V
DD
16V
DD
mA
0.6V
DD
> V
OUT
> 0.1V
DD
26.7V
OUT
mA
I
OL
(AC)
Switching Current Low
0.18V
DD
> V
OUT
> 0
Equation D
mA
(Test Point)
V
OUT
=0.18V
DD
38V
DD
mA
I
CL
Low Clamp Current
-3 < V
IN
-1
-25+(V
IN
+1)/0.015
mA
I
CH
High Clamp Current
V
DD
+4 > V
IN
> V
DD
+1
25+(V
IN
-V
DD
-1)/0.015
mA
slewr
Output Rise Slew Rate
0.2V
DD
-0.6V
DD
load
1
4
V/ns
slewf
Output Fall Slew Rate
0.6V
DD
-0.2V
DD
load
1
4
V/ns
Notes:
1.
2.
See PCI specification.
PCI specification output load is used.
Table 16: FWH Mode Interface Reset Timing Parameters, V
DD
=3.0-3.6V
Symbol
Parameter
Min
Max
Units
T
PRST
V
DD
Stable to Reset Low
1
ms
T
KRST
Clock Stable to Reset Low
100
μ
s
T
RSTP
RST# Pulse Width
100
ns
T
RSTF
RST# Low to Output Float
48
ns
T
RST
(1)
RST# High to FWH4 Low
1
μ
s
T
RSTE
RST# Low to Reset During Erase or Program
10
μ
s
RST# or INIT# Slew Rate
50
mV/ns
Notes:
1.
There will be a latency of T
RSTE
if a reset procedure is performed during a Program or Erase operation.
Figure 7: Reset Timing Diagram
T
KRST
T
PRST
T
RST
T
RSTF
T
RSTE
T
RSTP
Program or Erase
Operation Aborted
V
DD
CLK
RST#/INIT#
FWH[3:0]
FWH4
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