参数资料
型号: CAT28F001GI-12B
厂商: ON Semiconductor
文件页数: 14/18页
文件大小: 0K
描述: IC FLASH MEM 1MBIT 120NS 32PLCC
产品变化通告: Product Obsolescence 05/Oct/2010
标准包装: 32
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 1M (128K x 8)
速度: 120ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 32-LCC(J 形引线)
供应商设备封装: 32-PLCC(11.43x13.97)
包装: 托盘
CAT28F001
Figure 7. A.C. Timing for Program/Erase Operation
OR ERASE CONFIRM COMMAND
VCC POWER-UP
& STANDBY
WRITE PROGRAM OR
ERASE SETUP COMMAND
WRITE
VALID ADDRESS & DATA (PROGRAM) AUTOMATED PROGRAM
OR ERASE DELAY
READ STATUS
REGISTER DATA
WRITE READ ARRAY
COMMAND
VIH
ADDRESSES (A)
AIN
AIN
VIL
tAVAV
tAVWH
tWHAX
VIH
CE ( E )
VIL
VIH
tELWL
tWHEH
tWHGL
OE ( G )
VIL
WE ( W )
VIH
VIL
tWHWL
tWLWH
tWHQV 1, 2, 3, 4
VIH
HIGH Z
t DVW H
tWHDX
DATA (I/O)
VIL
tPHWL
DIN
DIN
VALID
SRD
DIN
VHH
6.5V
VIH
RP (P)
VIL
VPPH
VPPL
VPP (V)
VIH
VIL
tPHHWH
tVPWH
tQVPH
tQVVL
POWER UP/DOWN PROTECTION
The CAT28F001 offers protection against inadvertent
programming during V PP and V CC power transitions.
When powering up the device there is no power-on
sequencing necessary. In other words, V PP and V CC
may power up in any order. Additionally V PP may be
hardwired to V PPH independent of the state of V CC and
any power up/down cycling. The internal command
register of the CAT28F001 is reset to the Read Mode on
power up.
POWER SUPPLY DECOUPLING
To reduce the effect of transient power supply voltage
spikes, it is good practice to use a 0.1 μ F ceramic
capacitor between V CC and V SS and V PP and V SS . These
high-frequency capacitors should be placed as close as
possible to the device for optimum decoupling.
Doc. No. MD-1078, Rev. K
14
? 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
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