參數(shù)資料
型號: AM49DL320BGB851
廠商: Spansion Inc.
英文描述: Stacked Multi-Chip Package (MCP) Flash Memory and SRAM 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous
中文描述: 堆疊式多芯片封裝(MCP)閃存和SRAM的32兆位(4個M × 8位/ 2米x 16位),3.0伏的CMOS只,同時
文件頁數(shù): 59/64頁
文件大?。?/td> 569K
代理商: AM49DL320BGB851
58
Am49DL320BG
June 25, 2002
P R E L I M I N A R Y
pSRAM AC CHARACTERISTICS
Notes:
1. If the device is using the I/Os to output data, input signals of reverse polarity must not be applied.
2. If OE# is high during the write cycle, the outputs will remain at high impedance.
Figure 32.
Pseudo SRAM Write Cycle
UB#s and LB#s Control
t
WC
Valid Data In
Addresses
A0 to A20
WE#
CE#1
CE2
UB#, LB#
D
IN
I/O1 to 16
D
OUT
I/O1 to 16
t
DS
t
WR
t
WP
t
CW
High-Z
High-Z
t
CH
t
DH
t
AS
t
BW
t
BE
t
COE
t
ODW
(Note 1)
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