AT27BV256-70JU 查看數據表（PDF） - Atmel Corporation
零件编号
产品描述 (功能)
比赛名单
AT27BV256-70JU Datasheet PDF : 15 Pages
| |||
AT27BV256
15. DC Programming Characteristics
TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V
Symbol
ILI
VIL
VIH
VOL
VOH
ICC2
IPP2
VID
Parameter
Input Load Current
Input Low Level
Input High Level
Output Low Voltage
Output High Voltage
VCC Supply Current (Program and Verify)
VPP Current
A9 Product Identification Voltage
Test Conditions
VIN = VIL, VIH
IOL = 2.1 mA
IOH = -400 µA
CE = VIL
Limits
Min
Max
±10
-0.6
0.8
2.0
VCC + 0.5
0.4
2.4
25
25
11.5
12.5
Units
µA
V
V
V
V
mA
mA
V
16. AC Programming Characteristics
TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V
Symbol Parameter
Test Conditions(1)
Limits
Min
Max
Units
tAS
Address Setup Time
2
µs
tOES
OE Setup Time
tDS
Data Setup Time
2
Input Rise and Fall Times:
(10% to 90%) 20 ns
2
tAH
Address Hold Time
0
tDH
Data Hold Time
Input Pulse Levels:
2
tDFP
OE High to Output Float Delay(2)
0.45V to 2.4V
0
µs
µs
µs
µs
130
ns
tVPS
VPP Setup Time
tVCS
VCC Setup Time
tPW
CE Program Pulse Width(3)
tOE
Data Valid from OE(2)
Input Timing Reference Level:
2
µs
0.8V to 2.0V
2
µs
95
105
µs
Output Timing Reference Level:
0.8V to 2.0V
150
ns
tPRT
VPP Pulse Rise Time During
Programming
50
ns
Notes: 1. VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven –
see timing diagram.
3. Program Pulse width tolerance is 100 µsec ± 5%.
17. Atmel’s AT27BV256 Integrated Product Identification Code(1)
Codes
Pins
Hex
A0
O7
O6
O5
O4
O3
O2
O1
O0
Data
Manufacturer
0
0
0
0
1
1
1
1
0
1E
Device Type
1
1
0
0
0
1
1
0
0
8C
Note: 1. The AT27BV256 has the same Product Identification Code as the AT27C256R and AT27LV256A. They are all programming
compatible.
9
0601E–EPROM–12/07
Share Link: 