参数资料
型号: AT93C46E-TH-T
厂商: Atmel
文件页数: 4/17页
文件大小: 0K
描述: IC EEPROM 1KBIT 2MHZ 8TSSOP
标准包装: 5,000
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 1K (64 x 16)
速度: 250kHz,1MHz,2MHz
接口: Microwire 3 线串行
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 带卷 (TR)
Table 2-4.
AC Characteristics
Applicable over recommended operating range from T A = ? 40 ° C to + 85 ° C, V CC = +2.7V to + 5.5V,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
f SK
t SKH
t SKL
t CS
t CSS
t DIS
t CSH
Parameter
SK Clock Frequency
SK High Time
SK Low Time
Minimum CS Low Time
CS Setup Time
DI Setup Time
CS Hold Time
Test Condition
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
Relative to SK
Relative to SK
Relative to SK
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
Min
0
0
0
250
250
1000
250
250
1000
250
250
1000
50
50
200
100
100
400
0
Typ
Max
2
1
0.25
Units
MHz
ns
ns
ns
ns
ns
ns
t DIH
t PD1
t PD0
t SV
t DF
DI Hold Time
Output Delay to “1”
Output Delay to “0”
CS to Status Valid
CS to DO in High
Impedance
Relative to SK
AC Test
AC Test
AC Test
AC Test
CS = V IL
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
1.8V ≤ V CC ≤ 5.5V
100
100
400
250
250
1000
250
250
1000
250
250
1000
100
150
400
ns
ns
ns
ns
ns
t WP
Endurance
(1)
Write Cycle Time
5.0V, 25 ° C
0.1
1M
3
5
ms
Write Cycle
Note:
1. This parameter is ensured by characterization.
3. Functional Description
The AT93C46E is accessed via a simple and versatile three-wire serial communication inter-
face. Device operation is controlled by seven instructions issued by the host processor. A valid
instruction starts with a rising edge of CS and consists of a start bit (logic “1”) followed by the
appropriate op code and the desired memory address location.
4
AT93C46E
5207D–SEEPR–1/08
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