參數(shù)資料
型號(hào)： PF38F3050L0YUQ3A
廠商： INTEL CORP
元件分類： 存儲(chǔ)器
英文描述： SPECIALTY MEMORY CIRCUIT, PBGA88
封裝： 8 X 10 MM, 1.20 MM HEIGHT, ROHS COMPLIANT, SCSP-88
文件頁(yè)數(shù)： 37/70頁(yè)
文件大小： 1193K
代理商： PF38F3050L0YUQ3A
768-Mbit LQ Family with Synchronous PSRAM
Intel StrataFlash Wireless Memory (L18 SCSP)
Datasheet
August 2006
42
Order Number: 314476-001
768-Mbit LQ Family with Synchronous PSRAM
Notes:
1.
In case of refresh collisions with the first access, more WAIT cycles will be added.
2.
t
SP
Max values only applies to ADV#.
3.
The purpose of the Max limit is to prevent the PSRAM from starting Async access cycle.
4.
To allow for proper refresh operation, the CE# must be high during a clock low to high transition or keep
CE# high for min 15 ns.
5.
Address Skew maximum must not be exceeded during synchronous operations to avoid inadvertent
asynchronous operation
Table 17. PSRAM AC Characteristics—Synchronous Read and Write
Symbol
Parameter
Min
Max Units Notes
f
CLK2
CLK Frequency (Variable Latency = 2)
—
54
MHz
f
CLK6
CLK Frequency (Fixed Latency = 6)
—
54
MHz
tCLK2
CLK Period (Variable Latency = 2)
18.5
—
ns
tCLK6
CLK Period (Fixed Latency = 6)
18.5
—
ns
tCKH
CLK High Time
4
—
ns
tCKL
CLK Low Time
4
—
ns
t
T
CLK Rise/Fall Time
—
1.8
ns
t
ABA
Burst Read First Access Delay (Variable Latency = 2)
—
47.5
ns
1
tAA
Address Access Time (Fixed Latency)
—
70
ns
tAADV ADV# Access Time (Fixed Latency)
—
70
ns
tCO
CE# Access Time (Fixed Latency)
—
70
ns
tAVH
Address Hold from ADV# High (Fixed Latency)
5
—
ns
t
SP
Input Setup to CLK High (except CE#)
3
20
ns
2
t
HD
Input Hold from CLK High
2
—
ns
tCSS
CE# Low Setup to CLK High
4.5
20
ns
3
tCSL
CE# Pulse Width Low Time
—
4
s
4
tCBPH
CE# Pulse Width High Time Between Operations
6
—
ns
5
tOL
OE# or UB#/LB# Low to Output Low-Z
3
—
ns
t
OD
CE#, OE#, or UB#/LB# High to Output in High-Z
0
8
ns
t
AOE
OE# Low to Output Delay
—
20
ns
tCWT
CE# Low to WAIT Valid
1
7.5
ns
tWZ
CE# High to WAIT High-Z
—
8
ns
tWK
CLK to WAIT Valid
—
9
ns
tACLK
CLK to Output Delay
—
9
ns
t
KOH
Output Hold from CLK
2
—
ns
t
ASKEW
Address Skew
—
10
—
5
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