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参数资料
| 型号： | RTC-72423B-0 |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO24 |
| 封装： | SOP-24 |
| 文件页数： | 26/26页 |
| 文件大小： | 192K |
| 代理商： | RTC-72423B-0 |
RTC - 72421 / 72423
Page - 5
MQ162-04
! Switching characteristics (AC characteristics)
1. When ALE is used
Write mode
( VDD=5 V
± 0.5 V, RTC-72421;Ta=10 °C to +70 °C, RTC-72423;Ta=40 °C to +85 °C )
Item
Symbol
Condition
Min.
Max.
Unit
CS1 set-up time
tSU(CS1)
1000
Address set-up time before ALE
tSU(A-ALE)
50
Address hold time after ALE
th(ALE-A)
50
ALE pulse width
tw(ALE)
80
ALE set-up time before write
tSU(ALE-W)
0
Write pulse width
tw(W)
120
ns
ALE set-up time after write
tSU(W-ALE)
50
Data input set-up time before write
tSU(D-W)
80
Data input hold time after write
th(W-D)
10
CS1 hold time
th(CS1)
1000
Write recovery time
trec(W)
200
Read mode
( VDD=5 V
± 0.5 V, RTC-72421;Ta=10 °C to +70 °C, RTC-72423;Ta=40 °C to +85 °C )
Item
Symbol
Condition
Min.
Max.
Unit
CS1 set-up time
tSU(CS1)
1000
Address set-up time before ALE
tSU(A-ALE)
50
Address hold time after ALE
th(ALE-A)
50
ALE pulse width
tw(ALE)
80
ALE set-up time before read
tSU(ALE-R)
0
ns
ALE set-up time after read
tSU(R-ALE)
50
Data output transfer time after read
tPZV(R-Q)
CL=150 pF
120
Data output floating transfer time after read
tPVZ(R-Q)
0
70
CS1 hold time
th(CS1)
1000
Read recovery time
trec(W)
200
(1) Write mode
VIH2
tsu(CS1)
tsu(A-ALE)
tw(ALE)
th(ALE-A)
tsu(ALE-W)
tw(W)
VIH1
VIL1
VIH1
VIL1
VIH1
VIL1
VIH1
VIL1
VIH1
VIL1
tsu(W-ALE)
VIH1
VIL1
VIH1
VIL1
tsu(D-W)
th(W-D)
th(CS1)
VIH2
CS1
A0 to A3
CS0
ALE
D0 to D3
WR
(Input)
(2) Read mode
VIH2
tsu(CS1)
tsu(A-ALE)
tw(ALE)
th(ALE-A)
tsu(ALE-R)
VIH1
VIL1
VIH1
VIL1
VIH1
VIL1
VIH1
VIL1
VIH1
VIL1
tsu(R-ALE)
VIH1
VIL1
VIH1
VIL1
tpzv(R-Q)
)
tpvz(R-Q)
th(CS1)
VIH2
CS1
A0 to A3
CS0
ALE
D0 to D3
RD
(Input)
相关PDF资料 |
PDF描述 |
|---|---|
| RTC-72423A-0 | 0 TIMER(S), REAL TIME CLOCK, PDSO24 |
| RTC-72423B-0 | REAL TIME CLOCK, PDSO24 |
| RTC-7301SFB | REAL TIME CLOCK, PDSO24 |
| RTC6581 | REAL TIME CLOCK, PDIP24 |
| RTPXA270C0C312 | 312 MHz, RISC PROCESSOR, PBGA356 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RTC-72423BROHS | 制造商:Epson Electronics America Inc 功能描述:Real Time Clock Parallel 24-Pin SOP |
| RTC-7301DG | 制造商:Epson Toyocom Corporation 功能描述:IC RTC 4BIT SERIAL DIP18 7301 |
| RTC-7301DG,(B) | 制造商:Epson Toyocom 功能描述:4-bit RTC Module DIP 18-pin |
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